Relativistic generalization of the Keldysh ionization theory |
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| Authors: | B M Karnakov V D Mur V S Popov |
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| Institution: | (1) Moscow Engineering Physics Institute (State University), Kashirskoe sh. 31, Moscow, 115409, Russia;(2) Alikhanov Institute for Theoretical and Experimental Physics, Bol’shaya Cheremushkinskaya ul. 25, Moscow, 117218, Russia |
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| Abstract: | A relativistic theory of tunneling is developed. Ionization of atoms and ions by a constant crossed field and an ultrashort laser pulse, ionization probability as a function of the adiabaticity parameter and the pulse shape, the limit of the Keldysh nonrelativistic ionization theory, and the photoelectron momentum spectrum are considered. In calculations, the imaginary time method is used. |
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