Energy conservation law in strong-field photoionization by circularly polarized light

被引:5
作者
Dubois, Jonathan [1 ,2 ]
Leveque, Camille [1 ]
Caillat, Jeremie [1 ]
Taieb, Richard [1 ]
Saalmann, Ulf [2 ]
Rost, Jan-Michael [2 ]
机构
[1] Sorbonne Univ, Lab Chim Phys Matiere & Rayonnement, CNRS, LCPMR, F-75005 Paris, France
[2] Max Planck Inst Phys Komplexer Syst, Nothnitzer Str 38, D-01187 Dresden, Germany
关键词
HARMONIC-GENERATION; IONIZATION; ATOMS; EXCITATION; FORMULA;
D O I
10.1103/PhysRevA.109.013112
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We establish an energy conservation law for tunneling electrons driven by a circularly polarized light in a rotationally invariant potential. This conservation law emerges from the adiabaticity of the ionization process when described in the frame rotating with the laser field. It offers a clear picture of nonlinear phenomena observed in strong fields for initial states carrying a magnetic quantum number. It provides unambiguous sets of trajectories to model and interpret cutting-edge experiments using semiclassical approaches.
引用
收藏
页数:9
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