Attosecond ionization time delays in strong-field physics

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外文摘要：Electronic processes within atoms and molecules reside on the timescale of attoseconds.Recent advances in the laser-based pump-probe interrogation techniques have made possible the temporal resolution of ultrafast electronic processes on the attosecond timescale,including photoionization and tunneling ionization.These interrogation techniques include the attosecond streak camera,the reconstruction of attosecond beating by interference of two-photon transitions,and the attoclock.While the former two are usually employed to study photoionization processes,the latter is typically used to in-vestigate tunneling ionization.In this review,we briefly overview these timing techniques towards an attosecond temporal resolution of ionization processes in atoms and molecules under intense laser fields.In particular,we review the backpropa-gation method,which is a novel hybrid quantum-classical approach towards the full characterization of tunneling ionization dynamics.Continued advances in the interrogation techniques promise to pave the pathway towards the exploration of ever faster dynamical processes on an ever shorter timescale.

外文关键词：

strong-field ionizationattosecondtime delayphotoionization time delaytunneling time delayattosecond streak camerareconstruction of attosecond beating by interference of two-photon tran-sitions(RABBITT)attoclockbackpropagation

作者：

马永哲、倪宏程、吴健

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作者单位：

State Key Laboratory of Precision Spectroscopy,East China Normal University,Shanghai 200241,China

基金：

National Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaScience and Technology Commission of Shanghai Municipality

项目编号：

9215010511834004122278071224140721ZR1420100

出版年：

2024

DOI：

10.1088/1674-1056/ad0e5d

中国物理B(英文版)

中国物理学会和中国科学院物理研究所

中国物理B(英文版)

CSTPCDEI

影响因子：0.995

ISSN：1674-1056

年,卷(期)：2024.33(1)

参考文献量179