S-MATRIX THEORY OF MULTIPHOTON IONIZATION

被引:8
|
作者
KRSTIC, P [1 ]
MITTLEMAN, MH [1 ]
机构
[1] CUNY CITY COLL, DEPT PHYS, NEW YORK, NY 10031 USA
关键词
D O I
10.1364/JOSAB.7.000587
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
The general S-matrix theory of multiphoton ionization is presented. The freedom in the form of the S matrix is discussed and exploited to derive a form that uses the exact dressed state as the initial state of the process. This results in a new S-matrix form, which is then evaluated in an approximate form. The numerical result is identical with a previously obtained one but radically different from that obtained by using the Keldysh-Faisal-Reiss theories. © 1990 Optical Society of America.
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页码:587 / 591
页数:5
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