Areas of expertise

• Atomic And Molecular Physics 020201
• Complex Physical Systems 029902
• Electronic And Magnetic Properties Of Condensed Matter; Superconductivity 020404
• Surfaces And Structural Properties Of Condensed Matter 020406
• Particle Physics 020203
• Quantum Optics 020604
• Plasma Physics; Fusion Plasmas; Electrical Discharges 020204
• Nanotechnology 1007

Publications

• Bray, A, Freeman, D, Naseem, F et al. 2020, 'Correlation-enhanced high-order-harmonic-generation spectra of Mn and Mn+', Physical Review A, vol. 101, no. 5, pp. 1-8.
• Grundmann, S, Serov, V, Trinter, F et al. 2020, 'Revealing the two-electron cusp in the ground states of He and H2 via quasifree double photoionization', Physical Review Research, vol. 2, no. 3, pp. 1-7.
• Kheifets, A 2020, 'Dynamic scaling of photo-double-ionization to electron impact', Physical Review A, vol. 101, no. 3, pp. -.
• Ivanov, I, Kheifets, A & Kim, K 2020, 'Time correlation inside a laser pulse', Physical Review A, vol. 101, no. 4, pp. -.
• Banerjee, S, Deshmukh, P, Kheifets, A et al. 2020, 'Effects of spin-orbit-interaction-activated interchannel coupling on photoemission time delay', Physical Review A, vol. 101, no. 4.
• Kheifets, A, Toffoli, D & Decleva, P 2020, 'Angular dependent time delay near correlation induced Cooper minima', Journal of Physics B: Atomic, Molecular and Optical Physics, vol. 53, no. 11, pp. -.
• Kheifets, A 2020, 'The attoclock and the tunneling time debate', Journal of Physics B: Atomic, Molecular and Optical Physics, vol. 53, no. 7, pp. -.
• Serov, V, Bray, A & Kheifets, A 2019, 'Numerical attoclock on atomic and molecular hydrogen', Physical Review A, vol. 99, no. 6, pp. 1-8.
• Saha, S, Deshmukh, P, Kheifets, A et al 2019, 'Dominance of correlation and relativistic effects on photodetachment time delay well above threshold', Physical Review A, vol. 99, no. 6, pp. 1-6.
• Quan, W, Serov, V, Wei, M et al 2019, 'Attosecond molecular angular streaking with all-ionic fragments detection', Physical Review Letters, vol. 123, no. 223204, p. 5.
• Kheifets, A 2019, 'Time-Resolved Theory of Atomic and Molecular Photoionization for RABBITT and Attoclock', 7th Topical Conference of ISAMP 2018, ed. P. C. DeshmukhE. Krishnakumar;Stephan Fritzsche;M. Krishnamurthy;Sonjoy Majumder, Springer Singapore, Singapore.
• Banerjee, S, Deshmukh, P, Dolmatov, V et al 2019, 'Strong dependence of photoionization time delay on energy and angle in the neighborhood of Fano resonances', Physical Review A, vol. 99, no. 1, pp. -.
• Sainadh, U, Xu, H, Wang, X et al. 2019, 'Attosecond angular streaking and tunnelling time in atomic hydrogen', Nature, vol. 568, no. 7750, pp. 75-77.
• Saha, S, Jose, J, Deshmukh, P et al 2019, 'Wigner time delay in photodetachment', Physical Review A, vol. 99, no. 4, pp. 1-8.
• Deshmukh, P, Kumar, A, Varma, H et al 2018, 'Wigner-Eisenbud-Smith photoionization time delay due to autoioinization resonances', Journal of Physics B: Atomic, Molecular and Optical Physics, vol. 51, no. 6, pp. 8pp.
• Eckart, S, Kunitski, M, Ivanov, I et al. 2018, 'Subcycle interference upon tunnel ionization by counter-rotating two-color fields', Physical Review A, vol. 97, no. 4, pp. 1-5pp.
• Vos, J, Cattaneo, L, Patchkovskii, S et al 2018, 'Orientation-dependent stereo Wigner time delay and electron localization in a small molecule', Science, vol. 360, no. 6395, pp. 1326-1330.
• Jain, A, Gaumnitz, T, Bray, A et al. 2018, 'Photoionization delays in xenon using single-shot referencing in the collinear back-focusing geometry', Optics Letters, vol. 43, no. 18, pp. 4510-4513.
• Bray, A, Eckart, S & Kheifets, A 2018, 'Keldysh-Rutherford Model for the Attoclock', Physical Review Letters, vol. 121, no. 12, pp. 1-5.
• Bray, A, Naseem, F & Kheifets, A 2018, 'Simulation of angular-resolved RABBITT measurements in noble-gas atoms', Physical Review A, vol. 97, no. 6, pp. 1-12.
• Keating, D, Manson, S, Dolmatov, V et al. 2018, 'Intershell-correlation-induced time delay in atomic photoionization', Physical Review A, vol. 98, no. 1, pp. 1-10.
• Bray, A, Naseem, F & Kheifets, A 2018, 'Photoionization of Xe and Xe@ C60 from the 4d shell in RABBITT fields', Physical Review A, vol. 98, no. 4, pp. 1-6.
• Grundmann, S, Trinter, F, Bray, A et al 2018, 'Separating Dipole and Quadrupole Contributions to Single-Photon Double Ionization', Physical Review Letters, vol. 121, no. 17, pp. 1-5.
• Jain, A, Gaumnitz, T, Kheifets, A et al. 2018, 'Using a passively stable attosecond beamline for relative phjavascript:void(0);otoemission time delays at high XUV photon energies', Optics Express, vol. 26, no. 22, pp. 28604-28620.
• Waitz, M, Bello, R, Metz, D et al. 2018, 'Imaging the square of the correlated two-electron wave function of a hydrogen molecule (vol 8, 2018) [Publisher Correction]', Nature Communications, vol. 9, no. -.
• Cousin, S, Di Palo, N, Buades, B et al. 2017, 'Attosecond Streaking in the Water Window: A New Regime of Attosecond Pulse Characterization', Physical Review X, vol. 7, no. 4, p. 14.
• Jordan, I, Huppert, M, Pabst, S et al 2017, 'Spin-orbit delays in photoemission', Physical Review A - Atomic, Molecular, and Optical Physics, vol. 95, no. 1, pp. -.
• Bray, A, Kheifets, A & Bray, I 2017, 'Calculation of atomic photoionization using the nonsingular convergent close-coupling method', Physical Review A - Atomic, Molecular, and Optical Physics, vol. 95, no. 5, pp. 053405 (5pp).
• Iablonskyi, D, Ueda, K, Ishikawa, K et al 2017, 'Observation and Control of Laser-Enabled Auger Decay', Physical Review Letters, vol. 119, no. 7, pp. 073203 (5pp).
• Waitz, M, Bello, R, Metz, D et al. 2017, 'Imaging the square of the correlated two-electron wave function of a hydrogen molecule', Nature Communications, vol. 8, no. 2266, pp. 1-8pp.
• Serov, V & Kheifets, A 2017, 'Time delay in XUV/IR photoionization of H2O', Journal of Chemical Physics, vol. 147, no. 20, pp. 1-6pp.
• Ganesan, A, Deshmukh, P, Kheifets, A et al 2017, 'Photoionization Time delay in atomic Barium', 30th International Conference on Photonic, Electronic, and Atomic Collisions, ICPEAC 2017, ed. Bray A.Kheifets A.Ho, IOP Publishing, TBC, p. 1.
• Ivanov, I & Kheifets, A 2010, 'Atomic systems with one and two active electrons in electromagnetic fields: ionization and high harmonics generation', Journal of Physics: Conference Series(online), vol. 212, p. 6.
• Bray, I, Fursa, D, Kadyrov, A et al 2010, 'Spin-resolved electron-impact ionisation of atoms', Journal of Physics: Conference Series(online), vol. 212, p. 9.
• Hoszowska, J, Kheifets, A, Dousse, J et al 2010, 'Single-photon double K-shell ionization of low-Z atoms', Journal of Physics: Conference Series(online), vol. 212, p. 7.
• Kheifets, A, Fursa, D, Hines, C et al 2010, 'Spin effects in double photoionization of lithium', Physical Review A: Atomic, Molecular and Optical Physics, vol. 81, no. 2, pp. 023418, 1-6 (6).
• Bartschat, K, Kheifets, A, Fursa, D et al 2010, 'Benchmark calculations for electron impact ionization and ionization-excitation of magnesium', Journal of Physics B: Atomic, Molecular and Optical Physics, vol. 43, no. 16, p. 13.
• Kheifets, A, Fursa, D, Bray, I et al 2010, 'Differential cross sections of double photoionization of lithium', Physical Review A: Atomic, Molecular and Optical Physics, vol. 82, no. 2, pp. 023403, 10.
• Kheifets, A & Ivanov, I 2010, 'Delay in Atomic Photoionization', Physical Review Letters, vol. 105, no. 23, pp. 233002-233002.
• Hoszowska, J, Kheifets, A, Berset, M et al 2009, 'Double K-shell photoionization of low-Z atoms and He-like ions', European Physical Journal - Special Topics, vol. 169, pp. 23-27.
• Kheifets, A, Fursa, D & Bray, I 2009, 'Two-electron photoionization of ground-state lithium', Physical Review A: Atomic, Molecular and Optical Physics, vol. 80, no. 063413, pp. 1-12.
• Ivanov, I & Kheifets, A 2009, 'Harmonic generation for atoms in fields of varying ellipticity: Single-active-electron model with Hartree-Fock potential', Physical Review A: Atomic, Molecular and Optical Physics, vol. 79, no. 053827, pp. 1-6.
• Kheifets, A, Naja, A, Staicu-Casagrande, E et al 2009, 'An energetic (e,2e) reaction away from the Bethe ridge: recoil versus binary', Journal of Physics B: Atomic, Molecular and Optical Physics, vol. 42, no. 16, pp. 1-5.
• Hoszowska, J, Kheifets, A, Dousse, J et al 2009, 'Physical Mechanisms and Scaling Laws of K-Shell Double Photoionization', Physical Review Letters, vol. 102, no. 073006, pp. 1-4.
• Ivanov, I & Kheifets, A 2009, 'Calculation of HHG spectra in complex atoms', Journal of Physics B: Atomic, Molecular and Optical Physics, vol. 42, no. 145601, pp. 1-8.
• Kheifets, A, Bray, I & Hoszowska, J 2009, 'K-shell double photoionization of Be, Mg, and Ca', Physical Review A: Atomic, Molecular and Optical Physics, vol. 79, no. 4, pp. 1-9.
• Kheifets, A 2009, 'Photoelectron angular correlation pattern in sequential two-photon double ionization of neon', Journal of Physics B: Atomic, Molecular and Optical Physics, vol. 42, no. 134016, pp. 1-6.
• Stevenson, M, Hargreaves, L, Lohmann, B et al 2009, 'Fully differential cross-section measurements for electron-impact ionization of neon and xenon', Physical Review A: Atomic, Molecular and Optical Physics, vol. 79, no. 012709, pp. 1-8.
• Ivanov, I & Kheifets, A 2009, 'Angular anisotropy parameters for sequential two-photon double ionization of helium', Physical Review A: Atomic, Molecular and Optical Physics, vol. 79, no. 023409, pp. 1-7.
• Ivanov, I & Kheifets, A 2009, 'Tailoring the waveforms to extend the high-order harmonic generation cutoff', Physical Review A: Atomic, Molecular and Optical Physics, vol. 80, no. 023809, pp. 1-7.
• Ivanov, I & Kheifets, A 2009, 'Above-threshold-ionization structures in photoelectron momentum distributions for single ionization of He by a strong electromagnetic field', Physical Review A: Atomic, Molecular and Optical Physics, vol. 80, no. 063418, pp. 1-7.
• Rudenko, A, Foucar, L, Kurka, M et al 2008, 'Recoil-Ion Momentum Distributions for Two-Photon Double Ionization of He and Ne by 44 eV Free-Electron Laser Radiation', Physical Review Letters, vol. 101, no. 073003, pp. 1-4.
• Bolognesi, P, Bohachov, H, Borovik, V et al 2008, 'The ionization of Mg by electron impact at 1000 eV studied by (e, 2e) experiments', Journal of Physics B: Atomic, Molecular and Optical Physics, vol. 41, no. 015201, pp. 1-7.
• Bolognesi, P, Feyer, V, Kheifets, A et al 2008, 'Photodouble ionization of He with circularly polarized synchrotron radiation: complete experiment and dynamic nodes', Journal of Physics B: Atomic, Molecular and Optical Physics, vol. 41, no. 051003, pp. 1-5.
• Ivanov, I & Kheifets, A 2008, 'Perturbative calculation of two-photon double electron ionization of helium', Journal of Physics B: Atomic, Molecular and Optical Physics, vol. 41, no. 095002, pp. 1-9.
• Kheifets, A, Naja, A, Staicu-Casagrande, E et al 2008, 'DWBA-G calculations of electron impact ionization of noble gas atoms', Journal of Physics B: Atomic, Molecular and Optical Physics, vol. 41, no. 145201, pp. 1-10.
• Naja, A, Staicu-Casagrande, E, Lahmam-Bennani, A et al 2008, '(e, 2e) triple differential cross-sections for ionization beyond helium: the neon case at large energy transfer', Journal of Physics B: Atomic, Molecular and Optical Physics, vol. 41, no. 085205, pp. 1-8.
• Staicu-Casagrande, E, Naja, A, Lahmam-Bennani, A et al 2008, 'New (e,2e) studies of atomic and molecular targets', Journal of Physics: Conference Series(online), vol. 141, no. 012016, pp. 1-7.
• Ivanov, I & Kheifets, A 2008, 'High harmonics generation from excited states of atomic lithium', Journal of Physics B: Atomic, Molecular and Optical Physics, vol. 41, no. 115603, pp. 1-7.
• Ivanov, I & Kheifets, A 2008, 'Resonant enhancement of generation of harmonics', Physical Review A: Atomic, Molecular and Optical Physics, vol. 78, no. 053406, pp. 1-9.
• Durr, M, Dorn, A, Ullrich, J et al 2007, '(e,3e) on Helium at Low Impact Energy: The Strongly Correlated Three-Electron Continuum', Physical Review Letters, vol. 98, no. 193201, pp. 1-4.
• Kheifets, A & Bray, I 2007, 'Valence-shell double photionization of alkaline-earth-metal atoms', Physical Review A: Atomic, Molecular and Optical Physics, vol. 75, no. 042703, pp. 1-11.
• Kheifets, A, Ivanov, I & Bray, I 2007, 'Convergent close coupling calculations of two-photon double ionization of He', Journal of Physics: Conference Series(online), vol. 88, pp. 012051 1-8.
• Kheifets, A, Ivanov, I & Bray, I 2007, 'Erratum: Different escape modes in two-photon double ionization of helium', Physical Review A: Atomic, Molecular and Optical Physics, vol. 75, pp. 024702 1-4.
• Ivanov, I & Kheifets, A 2007, 'Single-photon double ionization of negative hydrogen ions in the presence of a dc electric field', Physical Review A: Atomic, Molecular and Optical Physics, vol. 75, pp. 062701 1-6.
• Kheifets, A, Ivanov, I & Bray, I 2007, 'Angular anisotropy parameters and recoil-ion momentum distribution in two-photon ionization of helium', Physical Review A: Atomic, Molecular and Optical Physics, vol. 76, pp. 025402 1-4.
• Kheifets, A 2007, 'Sequential two-photon double ionization of noble gas atoms', Journal of Physics B: Atomic, Molecular and Optical Physics, vol. 40, pp. F313-F318.
• Ivanov, I & Kheifets, A 2007, 'Two-photon double ionization of helium in the region of photon energies 42-50 eV', Physical Review A: Atomic, Molecular and Optical Physics, vol. 75, no. 033411, pp. 1-6.
• Ivanov, I & Kheifets, A 2006, 'Non-perturbative approach to multiphoton ionisation of the hydrogen and helium atoms', Radiation Physics and Chemistry, vol. 75, pp. 2102-2104.
• Ivanov, I & Kheifets, A 2006, 'Helium atom in presence of DC and AC electric fields', European Physical Journal D: Atomic, Molecular, Optical and Plasma Physics, vol. 38, pp. 471-479.
• Istomin, A, Starace, A, Manakov, N et al 2006, 'Nondipole effects in double photoionization of He at 450 eV excess energy', Journal of Physics B: Atomic, Molecular and Optical Physics, vol. 39, pp. L35-L43.
• Bolognesi, P, Kheifets, A, Otranto, S et al 2006, 'Photodouble ionization studies of the Ne(2s²) state under unequal energy sharing conditions', Journal of Physics B: Atomic, Molecular and Optical Physics, vol. 39, pp. 1899-1912.
• Kheifets, A & Bray, I 2006, 'Angular correlation in the two-electron continuum', Physical Review A: Atomic, Molecular and Optical Physics, vol. 73, no. 2, pp. 020708-1-4.
• Went, M, Vos, M & Kheifets, A 2006, 'Elastic and inelastic scattering in electron momentum spectroscopy of amorphous Ge films', Journal of Electron Spectroscopy and Related Phenomena, vol. 152, pp. 78-86.
• Went, M, Vos, M & Kheifets, A 2006, 'Satellite structure in auger and (e,2e) spectra of germanium', Radiation Physics and Chemistry, vol. 75, pp. 1698-1703.
• Weber, T, Dorner, R, Czasch, A et al 2006, 'Photo double ionization of fixed in space deuterium molecules', International Conference on Photonic, Electronic and Atomic Collisions (ICPEAC 2005), ed. Pablo D Fainstein, Marco Aurelio P Lima, Jorge E Miraglia, Eduardo C Montenegro, World Scientific Publishing Company, Singapore, pp. 184-191.
• Kheifets, A & Ivanov, I 2006, 'Convergent close-coupling calculations of two-photon double ionization of helium', Journal of Physics B: Atomic, Molecular and Optical Physics, vol. 39, pp. 1731-1742.
• Dorn, A, Sakhelashvili, G, Hohr, C et al 2006, 'An (e,y2e) experiment for simultaneous ionization-excitation of helium to the He+(2P)2P states by electron impact', International Conference on Photonic, Electronic and Atomic Collisions (ICPEAC 2005), ed. Pablo D Fainstein, Marco Aurelio P Lima, Jorge E Miraglia, Eduardo C Montenegro, World Scientific Publishing Company, Singapore, pp. 364-367.
• Ivanov, I & Kheifets, A 2006, 'Helium atom in the monochromatic electromagnetic field', European Physical Journal D: Atomic, Molecular, Optical and Plasma Physics, vol. 38, pp. 249-255.
• Ivanov, I & Kheifets, A 2006, 'Single-photon double ionization of helium in the presence of dc electric field', Physical Review A: Atomic, Molecular and Optical Physics, vol. 74, pp. 042710-1-7.
• Bowles, C, Went, M, Kheifets, A et al. 2006, 'Direct measurement of spectral momentum densities of ordered and disorderd semiconductors by high energy EMS', International Symposia on (e,2e), Double Photoionization, and Related Topics and International Symposia on Polarization and Coorelation in Electronic and Atomic Collisions 2005, ed. Azzedine Lahmam-Bennani & Birgit Lohmann, American Institute of Physics (AIP), Melville, New York 2006, pp. 162-172.
• Kheifets, A, Vos, M & Weigold, E 2006, 'Electron Momentum Spectroscopy', in D.S. MacKenzie and G.E. Totten (ed.), Analytical Characterization of Aluminum, Steel, and Superalloys, Taylor & Francis Group, United States, pp. 641-659.
• Vos, M, Bowles, C, Kheifets, A et al. 2006, 'Band structure of silicon as measured in extended momentum space', Physical Review B: Condensed Matter and Materials, vol. 73, no. 8, pp. 085207-1-7.
• Sakhelashvili, G, Dorn, A, Hohr, C et al 2005, 'Triple Coincidence (e, γ2e) Experiment for Simultaneous Electron Impact Ionization Excitation of Helium', Physical Review Letters, vol. 95, no. 3, pp. 033201-1-4.
• Istomin, A, Starace, A, Manakov, N et al 2005, 'Parametrizations and Dynamical Analysis of Angle-integrated Cross Sections for Double Photoionization Including Nondipole Effects', Physical Review A: Atomic, Molecular and Optical Physics, vol. 72, no. 5, pp. 052708-1-11.
• Czasch, A, Schoffler, M, Hattass, M et al 2005, 'Partial Photoionization Cross Sections and Angular Distributions for Double Excitation of Helium up to the N=13 Threshold', Physical Review Letters, vol. 95, no. 24, pp. 243003-1-4.
• Knapp, A, Kheifets, A, Bray, I et al. 2005, 'Photo Double Ionization of Helium 100 eV and 450 eV above Threshold: II. Circularly Polarized Light', Journal of Physics B: Atomic, Molecular and Optical Physics, vol. 38, pp. 635-643.
• Chen, C, Gale, M, Kheifets, A et al. 2005, 'Spectral Momentum Densities of Vanadium and Vanadium Oxide as Measured by High Energy (e, 2e) Spectroscopy', Journal of Physics: Condensed Matter, vol. 17, pp. 7689-7704.
• Vos, M, Bowles, C, Kheifets, A et al. 2005, 'Electron Momentum Spectroscopy of Light and Heavy Targets', Journal of Electron Spectroscopy and Related Phenomena, vol. 149, pp. 20-28.
• Knapp, A, Kheifets, A, Bray, I et al. 2005, 'Photo Double Ionization of Helium 100 eV and 450 eV above Threshold: I. Linearly Polarized Light', Journal of Physics B: Atomic, Molecular and Optical Physics, vol. 38, pp. 615-633.
• Knapp, A, Krassig, B, Kheifets, A et al. 2005, 'Photo Double Ionizaton of Helium 100 eV and 450 eV above Threshold: III. Gerade and Ungerade Amplitudes and their Relative Phases', Journal of Physics B: Atomic, Molecular and Optical Physics, vol. 38, pp. 645-657.
• Kheifets, A & Bray, I 2005, 'Double Photoionization of He and H₂ at Unequal Energy Sharing', Physical Review A: Atomic, Molecular and Optical Physics, vol. 72, no. 2, pp. 022703-1-7.
• Kheifets, A 2005, 'Single-center Model for Double Photoionization of the H₂ Molecule', Physical Review A: Atomic, Molecular and Optical Physics, vol. 71, no. 2, pp. 022704-1-8.
• Dorn, A, Kheifets, A, Schroter, C et al 2005, 'Reply to Comment on Appearance and Disappearnace of the Second Born Effects in the (e, 3e) Reaction on He', Physical Review A: Atomic, Molecular and Optical Physics, vol. 71, no. 2, pp. 026702-1-3.
• Ivanov, I & Kheifets, A 2005, 'Lippmann-Schwinger Description of Multiphoton Ionization', Physical Review A: Atomic, Molecular and Optical Physics, vol. 71, no. 4, pp. 043405-1-10.
• Ivanov, I & Kheifets, A 2005, 'On the Use of the Kramers-Henneberger Hamiltonian in Multi-photon Ionization Calculations', Journal of Physics B: Atomic, Molecular and Optical Physics, vol. 38, pp. 2245-2255.
• Weigold, E, Kheifets, A, Sashin, V et al 2004, 'Spectral Momentum Densities in Matter Determined by Electron Scattering¹', Acta Crystallographica Section A: Foundations of Crystallography, vol. A60, pp. 104-110.
• Weber, T, Czasch, A, Jagutski, O et al. 2004, 'Complete Photo-Fragmentation of the Deuterium Molecule', Nature, vol. 431, no. 7007, pp. 437-440.
• Kheifets, A 2004, 'Second-Order Born Model for Two-Electron Atomic Ionization by Fast Charged-Particle Impact', Physical Review A: Atomic, Molecular and Optical Physics, vol. 69, no. 3, pp. 032712-1/12.
• Bowles, C, Kheifets, A, Sashin, V et al. 2004, 'EMS Measurements of the Valence Spectral Function of Silicon - A Test of Many-Body Theory', in J. Berakdar, J. Kirschner (ed.), Correlation Spectroscopy of Surfaces, Thin Films, and Nanostructures, Wiley-VCH Verlag GMBH, Weinheim, pp. 83-104.
• Vos, M, Bowles, C, Kheifets, A et al. 2004, 'Measurement of the Electronic Structure of Crystalline Silicon by Electron Momentum Spectroscopy', Journal of Electron Spectroscopy and Related Phenomena, vol. 137-140, pp. 629-632.
• Bowles, C, Kheifets, A, Sashin, V et al. 2004, 'The Direct Measurement of Spectral Momentum Densities of Silicon with High Energy (e,2e) Spectroscopy', Journal of Electron Spectroscopy and Related Phenomena, vol. 141, pp. 95-104.
• Weber, T, Czasch, A, Jagutski, O et al 2004, 'Fully Differential Cross Sections for Photo-Double-Ionization of D₂', Physical Review Letters, vol. 92, no. 16, pp. 163001-1-4.
• Bolorizadeh, M, Sashin, V, Kheifets, A et al 2004, 'Electronic Band Structure of Calcium Oxide', Journal of Electron Spectroscopy and Related Phenomena, vol. 141, pp. 27-38.
• Kheifets, A & Bray, I 2004, 'Convergent Calculations of Double Ionization of Helium: From (γ,2e) to (e,3e) Processes', Physical Review A: Atomic, Molecular and Optical Physics, vol. 69, no. 5, pp. 050701-1-4.
• Vos, M, Kheifets, A, Bowles, C et al. 2004, 'Electronic Structure of Copper Studied by Electron Momentum Spectroscopy', Physical Review B: Condensed Matter and Materials, vol. 70, no. 20, pp. 205111-1-11.
• Bolognesi, P, Avaldi, L, Bray, I et al 2004, 'The Photodouble Ionisation of Helium and Heavier Rare Gases', Physica Scripta, vol. T110, pp. 62-67.
• Vos, M, Sashin, V, Bowles, C et al. 2004, 'Probing the Spectral Densities over the Full Three-Dimensional Momentum Space', Journal of Physics and Chemistry of Solids, vol. 65, pp. 2035-2039.
• Schmidt-Bocking, H, Dorner, R, Jagutski, O et al 2004, 'Many-Particle Dynamics in Atomic and Molecular Physics Investigated with the COLTRIMS-Technique: New Inside into e-e- Correction', Nuclear Physics A, vol. 737, pp. 306-313.
• Bolognesi, P, Flammini, R, Kheifets, A et al 2004, 'Experimental Observation of Initial-State Effects in Photo-Double-Ionization of Ne 2s', Physical Review A: Atomic, Molecular and Optical Physics, vol. 70, no. 6, pp. 062715-1-6.
• Sashin, V, Bolorizadeh, M, Kheifets, A et al 2003, 'Electronic Band Structure of Beryllium Oxide', Journal of Physics: Condensed Matter, vol. 15, pp. 3567-3581.
• Dorn, A, Kheifets, A, Schroter, C et al 2003, 'Appearance and Disappearance of the Second Born Effects in the (e,3e) Reaction in He', Physical Review A: Atomic, Molecular and Optical Physics, vol. 68, pp. 012715-1-4.
• Kheifets, A 2003, 'Close-Coupling Approach to Multiple-Atomic Ionization', in J Ullrich and V.P. Shevelko (ed.), Many-particle Quantum Dynamics in Atomic and Molecular Frgmentation, Springer, Germany, pp. 137-151.
• Vos, M, Kheifets, A, Sashin, V et al 2003, 'Anisotropy and Correlation Effects in the Spectral Function of Graphite as Measured by Electron Momentum Spectroscopy', International Conference on X-ray and Inner-shell Processes 2002, ed. A. Bianconi, A. Marcelli and N.L. Saini, American Institute of Physics (AIP), New York, pp. 491-533.
• Kheifets, A & Bray, I 2003, 'Double Shake-off Model for the Triple Photoionization of Beryllium', Journal of Physics B: Atomic, Molecular and Optical Physics, vol. 36, pp. L211-L217.
• Dorn, A, Sakhelashvili, G, Hohr, C et al 2003, '(e,3e) and (e,γ2e) Experiments: Investigations of Fundamental Four-body Coulomb Reactions', International Conference on Electron and Photon Impact Ionization and Related Topics 2002, ed. L.U. Ancarani, Institute of Physics Publishing, Bristol, pp. 41-50.
• Schmidt-Bocking, H, Mergel, V, Dorner, R et al 2003, 'Fast p-He Transfer Ionization Processes: A Window to Reveal the Non-s² Contributions in the Momentum Wave Function of Ground-State He', in J Ullrich and V.P. Shevelko (ed.), Many-particle Quantum Dynamics in Atomic and Molecular Frgmentation, Springer, Germany, pp. 353-378.
• Vos, M, Kheifets, A, Sashin, V et al 2003, 'Influence of Electron Diffraction on Measured Energy-resolved Momentum Densities in Single-crystalline Silicon', Journal of Physics and Chemistry of Solids, vol. 64, pp. 2507-2515.
• Bolognesi, P, Kheifets, A, Bray, I et al 2003, 'A Procedure to Extract the Complex Amplitudes of He Photodouble Ionization from Experimental Data', Journal of Physics B: Atomic, Molecular and Optical Physics, vol. 36, pp. L241-L247.
• Sashin, V, Vos, M, Kheifets, A et al 2003, 'High-resolution High-energy (e,2e) Spectroscopy of Metal Oxides', International Conference on Electron and Photon Impact Ionization and Related Topics 2002, ed. L.U. Ancarani, Institute of Physics Publishing, Bristol, pp. 79-88.
• Kheifets, A 2003, 'Double Photoionization: Beyond Helium Atom', International Symposium on (e,2e), Double Photoionization, and Related Topics 2003, ed. G. Friedrich Hanne, Laurence Malegat, Horst Schmidt-Bocking, American Institute of Physics (AIP), Melville, N.Y., pp. 37-41.
• Schmidt-Bocking, H, Mergel, V, Dorner, R et al 2003, 'Revealing the Non-s² Contributions in the Momentum Wave Function of Ground-state He', Europhysics Letters, vol. 62, no. 4, pp. 477-483.
• Kheifets, A, Sashin, V, Vos, M et al 2003, 'Spectral Properties of Quasiparticles in Silicon: A test of Many-body Theory', Physical Review B, vol. 68, pp. 233205-1-4.
• Schmidt-Bocking, H, Mergel, V, Schmidt, L et al 2003, 'Dynamics of Ionization Processes Studied with the COLTRIMS Method - New Insight into e-e Correlation', Radiation Physics and Chemistry, vol. 68, pp. 41-50.
• Dorn, A, Kheifets, A, Schroter, C et al 2002, 'Double ionization of helium by electron impact in the impulsive regime', Physical Review A: Atomic, Molecular and Optical Physics, vol. 65, pp. 032709-1-8.
• Kheifets, A & Bray, I 2002, 'Symmetrized Amplitudes of Helium-Atom Double Photoionization', Physical Review A: Atomic, Molecular and Optical Physics, vol. 65, pp. 022708-1-8.
• Knapp, A, Kheifets, A, Bray, I et al 2002, 'Mechanisms of Photo Double Ionization of Helium by 530 eV Photons', Physical Review Letters, vol. 89, no. 3, pp. 033004-1-4.
• Kheifets, A, Bray, I, Berakdar, J et al 2002, 'Comparative Theoretical Study of (e,3e) on Helium: Coulomb-Waves versus Close-Coupling Approach', Journal of Physics B: Atomic, Molecular and Optical Physics, vol. 35, pp. L15-L21.
• Bray, I, Fursa, D, Kheifets, A et al. 2002, 'Electrons and photons colliding with atoms: development and application of the convergent close-coupling method', Journal of Physics B: Atomic, Molecular and Optical Physics, vol. 35, pp. R117-R146.
• Turri, G, Avaldi, L, Bolognesi, P et al 2002, 'Double Photoionization of He at 80 eV Excess Energy in the Equal-Energy-sharing Condition', Physical Review A: Atomic, Molecular and Optical Physics, vol. 65, no. 3, pp. 034702-1-4.
• Kheifets, A & Bray, I 2002, 'Frozen-Core Model of the Double Photoionization of Beryllium', Physical Review A: Atomic, Molecular and Optical Physics, vol. 65, pp. 012710-1-6.
• Vos, M, Kheifets, A & Weigold, E 2002, 'Electron Momentum Spectroscopy of Metals', International Symposium on (e,2e), Double Photoionization and Related Topics and the Eleventh International Symposium on Polarizatin and Correlation in Electronic and Atomic Collisions, ed. D.H. Madison, M. Schulz, American Institute of Physics (AIP), Melville, New York, USA, pp. 70-75.
• Vos, M, Kheifets, A, Sashin, V et al 2002, 'Quantitative Measurement of the Spectral Function of Aluminum and Lithium by Electron Momentum Spectroscopy', Physical Review B, vol. 66, pp. 155414-1-11.
• Dorn, A, Najjari, B, Sakhelashvili, G et al 2002, '(e,3e) on Helium: Complete Pictures in Momentum Space', in J. Burgdorfer, J.S. Cohen, S. Datz & C.R. Vane (ed.), International Conference on Photonic, Electronic and Atomic Collisions (XXII ICPEAC), Rinton Press, Princeton, USA, pp. 423-428.
• Kheifets, A 2002, 'Close-coupling Calculations of Two-electron Atomic Ionization by Photon and Electron Impact', in J. Burgdorfer, J.S. Cohen, S. Datz & C.R. Vane (ed.), International Conference on Photonic, Electronic and Atomic Collisions (XXII ICPEAC), Rinton Press, Princeton, USA, pp. 185-196.
• Kheifets, A, Vos, M & Weigold, E 2001, 'The spectral momentum density of aluminium, copper and gold measured by electron momentum spectroscopy', Zeitschrift fur Physikalische Chemie, vol. 215, no. 10, pp. 1323-1339.
• Vos, M, Kheifets, A & Weigold, E 2001, 'The spectral momentum density of aluminum measured by electron momentum spectroscopy', Journal of Physics and Chemistry of Solids, vol. 62, pp. 2215-2221.
• Dorn, A, Kheifets, A, Schroter, C et al 2001, 'Double ionization of helium by electron-impact: Complete pictures of the four-body breakup dynamics', Physical Review Letters, vol. 86, no. 17, pp. 3755-3758.
• Dawson, C, Cvejanovic, R, Seccombe, D et al 2001, 'Helium (γ,2e) triple differential cross sections at an excess energy of 60 eV', Journal of Physics B: Atomic, Molecular and Optical Physics, vol. B, no. 34, pp. 525-533.
• Bolognesi, P, Camilloni, R, Coreno, M et al 2001, 'Complementary TDCS for the photo-double ionization of He at 40 eV above the threshold in unequal energy-sharing conditions', Journal of Physics B: Atomic, Molecular and Optical Physics, vol. 34, pp. 3193-3203.
• Sashin, V, Bolorizadeh, M, Kheifets, A et al 2001, 'Conduction band electronic structure of metallic beryllium', Journal of Physics: Condensed Matter, vol. 13, no. 19, pp. 4203-4219.
• Sattler, T, Tschentscher, T, Schneider, J et al 2001, 'Anisotropy of the electron momentum density of graphite studied by (y,ey) and (e,2e) spectroscopy', Physical Review B, vol. 63, no. 15, pp. 155204/1-17.
• Vos, M, Kheifets, A & Weigold, E 2001, 'Momentum profiles of aluminum', Journal of Electron Spectroscopy and Related Phenomena, vol. 114, pp. 1031-1036.
• Vos, M, Kheifets, A, Weigold, E et al 2001, 'Electron correlation effects in the spectral momentum density of graphite', Physical Review B, vol. 63, no. 3, pp. 033108/1-4.
• Kheifets, A 2001, 'On different mechanisms of the two-electron atomic photoionization', Journal of Physics B: Atomic, Molecular and Optical Physics, vol. B, no. 34, pp. 247-252.
• Lahmam-Bennani, A, Duguet, A, Gaboriaud, M et al 2001, 'Complete experiments for the double ionization of He: (e,3e) cross sections at 1 keV impact energy and small momentum transfer', Journal of Physics B: Atomic, Molecular and Optical Physics, vol. 34, pp. 3073-3087.
• Kheifets, A, Ipatov, A & Bray, I 2001, 'Recent progress in theory of atomic double photoionization', in J. Berakdar & J. Kirschner (ed.), Many-Particle Spectroscopy of Atoms, Molcules, Clusters, and Surfaces, Kluwer Academic Publishers, New York, USA, pp. 215-230.
• Sashin, V, Bolorizadeh, M, Kheifets, A et al 2000, 'Electronic Band Structure of Metallic Calcium Measured by Electron Momentum Spectroscopy', Journal of Physics: Condensed Matter, vol. 12, pp. 9407-9417.
• Sashin, V, Canney, S, Ford, M et al 2000, 'Energy-resolved momentum densities for the valence band of a nanoscale Si single crystal', Journal of Physics: Condensed Matter, vol. 12, no. 2, pp. 125-136.
• Cvejanovic, R, Wightman, J, Reddish, T et al 2000, 'Photodouble Ionization of Helium at an Excess Energy of 40 eV', Journal of Physics B: Atomic, Molecular and Optical Physics, vol. 33, no. 2, pp. 265-283.
• Suortti, P, Buslaps, T, Honkimaki, V et al 2000, 'Fermi-surface and electron correlation in A1 studied by Compton scattering', Journal of Physics and Chemistry of Solids, vol. 61, no. 3, pp. 397-401.
• Kheifets, A & Bray, I 2000, 'Equal energy-sharing double photoionization of helium from near-threshold to high energies', Physical Review A: Atomic, Molecular and Optical Physics, vol. 62, no. 6, pp. 65402-65404.
• Kheifets, A, Ipatov, A, Arifin, M et al. 2000, 'Double-photoionization caclculations of the helium mestastable 21,3 S states', Physical Review A: Atomic, Molecular and Optical Physics, vol. 62, no. ISI, p. 052724.
• Lahmam-Bennani, A, Duguet, A, Taouil, I et al 2000, 'Absolute Fully Resolved (e,3e) Cross Sections for the Double Ionization of Helium', XXI International Conference, ed. Yukikazu Itikawa, Kazuhiko Okuno, Hiroshi Tanaka, Akira Yagishita, Michio Matsuz, American Institute of Physics (AIP), Melville, New York, pp. 431-435.
• Metz, C, Tschentscher, T, Suortti, P et al 1999, 'Three-Dimensional Electron Momentum Densities of Graphite and Fullerene: A Comparison', Journal of Physics: Condensed Matter, vol. 11, no. 19, pp. 3933-3942.
• Kheifets, A, Bray, I, Soejima, K et al 1999, 'Experimental and Theoretical Study of Linear and Circular Dichroism in Helium Double Photoionization', Journal of Physics B: Atomic, Molecular and Optical Physics, vol. 32, pp. L501-L509.
• Kheifets, A, Lun, D & Savrasov, S 1999, 'Full-Potential Linear-Muffin-Tin-Orbital Calculation of Electron Momentum Densities', Journal of Physics: Condensed Matter, vol. 11, no. 35, pp. 6779-6792.
• Metz, C, Tschentscher, T, Suortti, P et al 1999, 'Three-Dimensional Electron Momentum Density of Aluminum by (g,eg) Spectroscopy', Physical Review B, vol. 59, no. 16, pp. 10512-10520.
• Vos, M, Kheifets, A, Weigold, E et al 1999, 'Determination of the Energy-Momentum Densities of Aluminum by Electron Momentum Spectroscopy', Journal of Physics: Condensed Matter, vol. 11, no. 18, pp. 3645-3661.
• Canney, S, Sashin, V, Ford, M et al 1999, 'Electronic Band Structure of Magnesium and Magnesium Oxide: Experiment and Theory', Journal of Physics: Condensed Matter, vol. 11, no. 39, pp. 7507-7522.
• Kheifets, A & Bray, I 1999, 'Photoionization with Excitation and Double Photoionization of Two-Electron Atomic Targets', Journal de Physique IV, vol. 9, no. Pr6, pp. 79-83.
• Kheifets, A, Bray, I & Bartschat, K 1999, 'Convergent Calculations for Simulateous Electron-Impact Ionization-Excitation of Helium', Journal of Physics B: Atomic, Molecular and Optical Physics, vol. 32, pp. L433-L438.
• Kheifets, A, Bray, I, Lahmam-Bennani, A et al 1999, 'A comparative experimental and theoretical investigation of the electron-impact double ionization of He in the keV regime', Journal of Physics B: Atomic, Molecular and Optical Physics, vol. 32, no. 21, pp. 5047-5065.
• Vos, M, Canney, S, Kheifets, A et al 1999, 'Determination of the Anisotropic Electronic Structure of Graphite by (e,2e) Spectroscopy', Journal de Physique IV, vol. 9, no. Pr6, pp. 153-156.
• Rode, A, Gamaly, E, Elliman, R et al. 1999, 'Cluster-assembled amorphous carbon nano-foam synthesised by high-pulse-rate laser ablation', International Winterschool/Euroconference on Electronic Properties of Novel Materials, ed. Hans Kuzmany, Jorg Fink, Michael Mehring, Siegmar Roth, American Institute of Physics (AIP), Melville NY USA, p. 512.

Projects and Grants

Grants information is drawn from ARIES. To add or update Projects or Grants information please contact your College Research Office.

• Novel source of excited metastable atoms for Atom Trap Trace Analysis (Secondary Investigator)
• Time-space resolved photoelectron emission to control molecular processes (Primary Investigator)
• CM1204 XUV/X-ray light and fast ions for ultrafast chemistry (XLIC) (Primary Investigator)
• Atto-second Atomic Dynamics (Primary Investigator)
• Atomic Ionization on the Attosecond Time Scale (Primary Investigator)