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Akademický článek
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Autor:
Volkov, M. V., Ostrovsky, V. N.
Multistate generalizations of Landau-Zener model are studied by summing entire series of perturbation theory. A new technique for analysis of the series is developed. Analytical expressions for probabilities of survival at the diabatic potential curv
Externí odkaz:
http://arxiv.org/abs/cond-mat/0611046
Autor:
Kuchiev, M. Yu., Ostrovsky, V. N.
This paper reviews recent development of the atomic antenna, a theoretical framework which describes a number of laser-induced multiphoton phenomena in atoms, in particular in High Harmonic Generation and in Above Threshold Ionization. The paper pres
Externí odkaz:
http://arxiv.org/abs/physics/0010019
Autor:
Kuchiev, M. Yu., Ostrovsky, V. N.
Recent Letter of T.Pattard and J.M.Rost (Phys.Rev.Lett 80, 5081 (1998)) suggests that there exist logarithmic corrections to the near threshold cross section for the processes of break up of a particle into several charged fragments. This comment sho
Externí odkaz:
http://arxiv.org/abs/physics/0009001
Autor:
Kuchiev, M. Yu., Ostrovsky, V. N.
Harmonic generation by an atom in a laser field is described by the three-step mechanism as proceeding via above-threshold ionization (ATI) followed by the electron propagation in the laser-dressed continuum and the subsequent laser assisted recombin
Externí odkaz:
http://arxiv.org/abs/physics/0007016
Autor:
Kuchiev, M. Yu., Ostrovsky, V. N.
Publikováno v:
PHYS REV A 6103: (3) 3414-+ MAR 2000
In the presence of an intensive laser field the radiative recombination of the continuum electron into an atomic bound state generally is accompanied by absorption or emission of several laser quanta. The spectrum of emitted photons represents an equ
Externí odkaz:
http://arxiv.org/abs/physics/9910051
Autor:
Kuchiev, M. Yu., Ostrovsky, V. N.
Publikováno v:
PHYS REV A 60: (4) 3111-3124 OCT 1999
Fully quantum treatment explicitly presents the high harmonic generation as a three-step process: (i) above threshold ionization (ATI) is followed by (ii) electron propagation in a laser-dressed continuum. Subsequently (iii) stimulated (or laser assi
Externí odkaz:
http://arxiv.org/abs/physics/9906053
Autor:
Kuchiev, M. Yu., Ostrovsky, V. N.
Publikováno v:
J. Phys. B: At. Mol. Opt. Phys. 329 1999 L189
Fully quantum treatment explicitly presents the high harmonic generation as a three-stage process: above threshold ionization (ATI) is followed by the continuum electron propagation in a laser field and subsequent stimulated recombination back into t
Externí odkaz:
http://arxiv.org/abs/physics/9902033
Autor:
Kuchiev, M. Yu., Ostrovsky, V. N.
Publikováno v:
J. Phys. B: At. Mol. Opt. Phys, 31 (1998) 1
Negative ion detachment in bichromatic laser field is considered within the adiabatic theory. The latter represents a recent modification of the famous Keldysh model for multiphoton ionization which makes it quantitatively reliable. We calculate angu
Externí odkaz:
http://arxiv.org/abs/physics/9812024