Extreme-ultraviolet pump–probe studies of one-femtosecond-scale electron dynamics P Tzallas, E Skantzakis, LAA Nikolopoulos, GD Tsakiris, D Charalambidis
Nature Physics 7 (10), 781-784, 2011
265 2011 Multichannel theory of two-photon single and double ionization of helium LAA Nikolopoulos, P Lambropoulos
Journal of Physics B: Atomic, Molecular and Optical Physics 34 (4), 545, 2001
167 2001 Time-dependent theory of double ionization of helium under XUV radiation LAA Nikolopoulos, P Lambropoulos
Journal of Physics B: Atomic, Molecular and Optical Physics 40 (7), 1347, 2007
124 2007 Two-photon ionization of He through a superposition of higher harmonics NA Papadogiannis, LAA Nikolopoulos, D Charalambidis, GD Tsakiris, ...
Physical review letters 90 (13), 133902, 2003
119 2003 The RMT method for many-electron atomic systems in intense short-pulse laser light LR Moore, MA Lysaght, LAA Nikolopoulos, JS Parker, HW Van Der Hart, ...
Journal of Modern Optics 58 (13), 1132-1140, 2011
114 2011 Extracting continuum information from in time-dependent wave-packet calculations LB Madsen, LAA Nikolopoulos, TK Kjeldsen, J Fernández
Physical Review A 76 (6), 063407, 2007
105 2007 Solving the -mixing problem for the three-dimensional time-dependent Schrödinger equation by rotations: Application to strong-field ionization of TK Kjeldsen, LAA Nikolopoulos, LB Madsen
Physical Review A 75 (6), 063427, 2007
76 2007 Second order autocorrelation of an XUV attosecond pulse train LAA Nikolopoulos, EP Benis, P Tzallas, D Charalambidis, K Witte, ...
Physical review letters 94 (11), 113905, 2005
65 2005 Exploring intense attosecond pulses D Charalambidis, P Tzallas, EP Benis, E Skantzakis, G Maravelias, ...
New Journal of Physics 10 (2), 025018, 2008
64 2008 Combined -matrix eigenstate basis set and finite-difference propagation method for the time-dependent Schrödinger equation: The one-electron case LAA Nikolopoulos, JS Parker, KT Taylor
Physical Review A 78 (6), 063420, 2008
62 2008 Signatures of direct double ionization under xuv radiation P Lambropoulos, LAA Nikolopoulos, MG Makris
Physical Review A 72 (1), 013410, 2005
50 2005 Quantum dynamic imaging: theoretical and numerical methods AD Bandrauk, M Ivanov
Springer Science & Business Media, 2011
44 2011 Use of helium double ionization for autocorrelation of an xuv pulse T Nakajima, LAA Nikolopoulos
Physical Review A 66 (4), 041402, 2002
41 2002 Direct versus sequential double ionization in atomic systems P Lambropoulos, LAA Nikolopoulos, MG Makris, A Mihelič
Physical Review A 78 (5), 055402, 2008
39 2008 Extracting generalized multiphoton ionization cross-sections from nonperturbative time-dependent calculations: An application in positronium LB Madsen, LAA Nikolopoulos, P Lambropoulos
The European Physical Journal D-Atomic, Molecular, Optical and Plasma …, 2000
38 2000 Above-threshold ionization of negative hydrogen LAA Nikolopoulos, P Lambropoulos
Physical Review A 56 (4), 3106, 1997
36 1997 Theory of ac Stark splitting in core-resonant Auger decay in strong x-ray fields LAA Nikolopoulos, TJ Kelly, JT Costello
Physical Review A 84 (6), 063419, 2011
35 2011 Non-linear processes in the extreme ultraviolet I Orfanos, I Makos, I Liontos, E Skantzakis, B Major, A Nayak, ...
Journal of Physics: Photonics 2 (4), 042003, 2020
33 2020 Time-Dependent Nonperturbative Theory of in a Strong Laser Field LAA Nikolopoulos, P Lambropoulos
Physical review letters 82 (19), 3771, 1999
33 1999 Helium double ionization signals under soft-x-ray coherent radiation LAA Nikolopoulos, P Lambropoulos
Journal of Physics B: Atomic, Molecular and Optical Physics 39 (4), 883, 2006
32 2006