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Dependence of electron correlation on intensity ratio of orthogonal two-color laser pulses
Authors:Aihong Tong  Yongju Deng  Guoqiang Feng
Institution:1. Department of Physics and Electronics, Hubei University of Education, Wuhan 430205, China;2. Wuhan National Laboratory for Optoelectronics, School of Optoelectronic Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, China;1. Key Laboratory for Liquid-solid Structural Evolution and Processing of Materials, Shandong University, Jinan 250061, China;2. Department of Materials Science and Engineering, Shandong Jianzhu University, Jinan 250101, China;1. College of Mechatronic Engineering and Automation, National University of Defense Technology, Changsha, Hunan 410073, China;2. Interdisciplinary Center for Quantum Information, National University of Defense Technology, Changsha, Hunan 410073, China;1. State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan 430071, China;2. Center for Cold Atom Physics, Chinese Academy of Sciences, Wuhan 430071, China;3. School of Physics, University of Chinese Academy of Sciences, Beijing 100049, China;1. Physics Department, The Hashemite University, Zarqa 13115, Jordan;2. Department of Physics, The University of Jordan, Amman 11942, Jordan;3. Institut fuer Kernphysik, University Frankfurt, Max-von-Laue-Str. 1, 60438 Frankfurt, Germany;1. Department of Chemistry, Graduate School of Science, Nagoya University, Furo-cho, Chikusa, Nagoya, Aichi 464-8602, Japan;2. Department of Chemistry, Graduate School of Science, Tohoku University, Sendai 980-8578, Japan
Abstract:The correlated electron dynamics of asymmetric molecules driven by orthogonal two-color laser pulse is investigated by classical ensemble method. It is found that the patterns of correlated momentum distributions depend sensitively on the relative phase as well as the intensity ratio of the two-color fields. Moreover, the affection of intensity ratio on the correlated momentum distributions changes with relative phase. The results above are explained by the back analysis of recollision time and recollision angle of double ionization trajectories.
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