Distinct role of electric field and vector potential in strong-field tunneling ionization

被引:0
作者
Ma, Yongzhe [1 ,2 ]
Mao, Xiaodan [2 ]
Kong, Lanhe [2 ,3 ]
Liu, Qingcao [1 ]
Ni, Hongcheng [2 ,4 ]
Wu, Jian [2 ,4 ,5 ]
机构
[1] Harbin Inst Technol, Coll Sci, Weihai 264209, Shandong, Peoples R China
[2] East China Normal Univ, State Key Lab Precis Spect, Shanghai 200241, Peoples R China
[3] East China Normal Univ, Sch Phys & Elect Sci, Shanghai 200241, Peoples R China
[4] Shanxi Univ, Collaborat Innovat Ctr Extreme Opt, Taiyuan 030006, Shanxi, Peoples R China
[5] East China Normal Univ, Chongqing Key Lab Precis Opt, Chongqing Inst, Chongqing 401121, Peoples R China
基金
中国国家自然科学基金;
关键词
REAL-TIME OBSERVATION;
D O I
10.1103/PhysRevA.111.033103
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Light can be described either by its field or potential, which are often interchangeable. We theoretically investigate the distinct roles of the electric field and the vector potential of an ultrashort laser pulse in strong-field tunneling ionization, based on their distinct central frequencies. Employing the conservation law between the angular momentum and energy, we demonstrate that quantum tunneling dynamics is driven by the electric field, while the subsequent classical motion in the continuum is governed by the vector potential. Our work casts new light on the fundamental laser-matter interactions and offers a fresh perspective on the application of ultrashort laser pulses in strong-field physics.
引用
收藏
页数:11
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