Nondipole ionization dynamics of excited atoms in intense femtosecond pulses

被引：17
|
作者：
Forre, Morten [1 ]
机构：
[1] Univ Bergen, Dept Phys & Technol, N-5007 Bergen, Norway
来源：
PHYSICAL REVIEW A | 2006年 / 74卷 / 06期
关键词：
ADIABATIC STABILIZATION;
D O I：
10.1103/PhysRevA.74.065401
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The photoionization of the 4s Rydberg state in hydrogen by an intense femtosecond 400-nm light pulse is studied beyond the dipole approximation. We show that a recently predicted nondipole, high-frequency ionization mechanism [M. Forre , Phys. Rev. Lett. 97, 043601 (2006)] has a low-frequency counterpart in excited atomic systems. This opens the possibility that the effect could be measured in the near future.
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页数：3
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