强场物理团队介绍
 
研究方向1量子散射理论
研究内容:构建极端条件下非微扰量子散射理论的一般框架。这里感兴趣的极端条件包括但不仅限于:强场、超低温(尤其关注具有非阿贝尔规范场的体系)等。
研究方向2强场隧穿电离与再散射
研究内容:描绘强激光场中原子、分子电离的初始几何结构包括隧穿位置、隧穿时间、初始速度分布,固体中电子的带间、带内跃迁,以及电子在库仑场和强激光场联合作用下的散射过程,如高阶阈上电离、高次谐波辐射、里德堡态稳定化、光子能量动量沉积与分配,开拓相关现象在阿秒相干光源、原子全息成像、分子断层摄影、中性原子加速中的应用。
研究方向3强场中的关联电子物理
研究内容:瞄准强场驱动下量子少体关联系统的多时间尺度复杂动力学过程,如非序列多重电离、多聚物库仑爆炸、Fano共振、Auger衰变、ICD (Interatomic Coulomb Decay)等,探索通过阿秒脉冲、阿秒钟等探测和操控原子分子中电子关联及结构变化的新方法。
研究方向4强场QED(Quantum Electrodynamics)理论与过程
研究内容:通过数值求解Dirac方程,研究复杂构型电、磁场作用下正负电子对产生的过程和机制,探索在亚Schwinger阈值极限下实现能量-物质转换的可能途径。
研究方向5强激光等离子体相互作用
研究内容:面向激光惯性约束聚变重大工程需求的激光与等离子体相互作用的理论建模与大规模并行计算,为我国未来相关实验设计提供理论支撑。
主要成果:
·           G. Ren, J. Yan, J. Liu, K. Lan, Y. H. Chen, W. Y. Huo, Z. Fan, X. Zhang, J. Zheng, Z. Chen, W. Jiang, L. Chen, Q. Tang, Z. Yuan, F. Wang, S. Jiang, Y. Ding, W. Zhang, X. T. He, “Neutron Generation by Laser-Driven Spherically Convergent Plasma Fusion”, Physical Review Letters 118, 165001 (2017).
·           J. F. Tao#, Q. Z. Xia#, J. Cai, L. B. Fu, and J. Liu, “Coulomb rescattering in nondipole interaction of atoms with intense laser fields”, Physical Review A 95, 011402(R) (2017)(并列一作).
·           K. Lan, Z. C. Li, X. F. Xie, Y. H. Chen*, C. Y. Zheng, C. L. Zhai, L. Hao, D. Yang, W. Y. Huo, G. L. Ren, X. S. Peng, T. Xu, Y. L. Li, S. W. Li, Z. W. Yang, L. Guo, L. F. Hou, Y. G. Liu, H. Y. Wei, X. M. Liu, W. Y. Cha, X. H. Jiang, Y. Mei, Y. K. Li, K. L. Deng, Z. Yuan, X. Y. Zhan, H. J. Zhang, B. B. Jiang, W. Zhang, X. W. Deng, J. Liu, K. Du, Y. K. Ding, X. F. Wei, W. G. Zheng, X. D. Chen, E. M. Campbell, and X. T. He, “Experimental demonstration of low laser-plasma instabilities in gas- lled spherical hohlraums at laser injection angle designed for ignition target”, Physical Review E 95, 031202(R) (2017).
·           Difa Ye, Libin Fu, and Jie Liu, “Nonsequential Double Ionization of Atoms in Strong Laser Field”, Chapter 4 of “Advances of Atoms and Molecules in Strong Laser Fields”, edited by Yunquan Liu, World Scientific Press (2016).
·           W. Y. Huo, Z. C. Li, Y. H. Chen, X. F. Xie, K. Lan, J. Liu, G.. L. Ren, Y. S. Li, Y. G. Liu, X. H. Jiang, D. Yang, S. W. Li, L. Guo, H. Zhang, L. F. Hou, H. B. Du, X. S. Peng, T. Xu, C. G. Li, X. Y. Zhan, G. H. Yuan, H. J. Zhang, B. B. Jiang, L. Z. Huang, K. Du, R. C. Zhao, P. Li, W. Wang, J. Q. Su, Y. K. Ding, X. T. He, W. Y. Zhang, “First Investigation on the Radiation Field of the Spherical Hohlraum”, Physical Review Letters 117, 025002 (2016).
·           Qiang Wang, Jie Liu, and Li-bin Fu, “Pumping Electron-Positron Pairs from a Well Potential”, Scientific Reports 6, 25292 (2016).
·           Difa Ye, Min Li, Libin Fu, Jie Liu, Qihuang Gong, Yunquan Liu, and J. Ullrich, “Scaling Laws of the Two-Electron Sum-Energy Spectrum in Strong-Field Double Ionization”, Physical Review Letters 112, 013003 (2015).
·           Q. Z. Xia, D. F. Ye, L. B. Fu, X. Y. Han and J. Liu, “Momentum Distribution of Near Zero Energy Photoelectrons in the Strong-Field Tunneling Ionization in the Long Wavelength Limit”, Scientific Reports 5, 11473 (2015).
·           刘杰,夏勤智,傅立斌,《强激光场中的原子、分子与团簇》,35万字,科学出版社 (2014).
·           Xufei Sun, Min Li, Difa Ye, Guoguo Xin, Libin Fu, Xiguo Xie, Yongkai Deng, Chengyin Wu, Jie Liu, Qihuang Gong, and Yunquan Liu, “Mechanisms of Strong-Field Double Ionization of Xe”, Physical Review Letters 112, 013003 (2014).
·           Yunquan Liu, Libin Fu, Difa Ye, Jie Liu, Min Li, Chengyin Wu, Qihuang Gong, R. Moshammer, and J. Ullrich, “Strong-Field Double Ionization through Sequential Release from Double Excitation with Subsequent Coulomb Scattering”, Physical Review Letters 112, 013003 (2014).
·           J. Liu, Q. Z. Xia, J. F. Tao, and L. B. Fu, “Coulomb effects in photon-momentum partitioning during atomic ionization by intense linearly polarized light”, Physical Review A 87, 041403(R) (2013).
·           Hao Duan, Bo Gao, and Li You, “Ultracold collisions in the presence of synthetic spin-orbit coupling”, Physical Review A 87, 052708 (2013).
·           L. B. Fu, G. G. Xin, D. F. Ye, and J. Liu, “Recollision Dynamics and Phase Diagram for Nonsequential Double Ionization with Circularly Polarized Laser Fields”, Physical Review Letters 108, 103601 (2012).  
·           Hong Liu, Yunquan Liu, Libin Fu, Guoguo Xin, Difa Ye, Jie Liu, X. T. He, Yudong Yang, Xianrong Liu, Yongkai Deng, Chengyin Wu, and Qihuang Gong, “Low yield of near-zero-momentum electrons and partial atomic stabilization in strong-field tunneling ionization”, Physical Review Letters 109, 093001 (2012).
·           Yunquan Liu, Difa Ye, Jie Liu, A. Rudenko, S. Tschuch, M. Dürr, M. Siegel, U. Morgner, Qihuang Gong, R. Moshammer, and J. Ullrich,“Multiphoton Double Ionization of Ar and Ne Close to Threshold”, Physical Review Letters 104, 173002 (2010).
·           D. F. Ye, X. Liu, and J. Liu, “Classical Trajectory Diagnosis of a Fingerlike Pattern in the Correlated Electron Momentum Distribution in Strong Field Double Ionization of Helium”, Physical Review Letters 101, 233003 (2008).
·           J. Liu, D. F. Ye, J. Chen, and X. Liu, “Complex Dynamics of Correlated Electrons in Molecular Double Ionization by an Ultrashort Intense Laser Pulse”, Physical Review Letters 99, 013003 (2007).