首页|Reconstructing coherent dynamics of bound states induced by strong attosecond XUV pulses
Reconstructing coherent dynamics of bound states induced by strong attosecond XUV pulses
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We propose a scheme that utilizes weak-field-induced quantum beats to investigate the electronic coherences of atoms driven by a strong attosecond extreme ultraviolet[XUV]pulse.The technique involves using a strong XUV pump pulse to excite and ionize atoms and a time-delayed weak short pulse to probe the photoelectron signal.Our theoretical analysis demonstrates that the information regarding the bound states,initiated by the strong pump pulse,can be precisely recon-structed from the weak-field-induced quantum beat spectrum.To examine this scheme,we apply it to the attosecond XUV laser-induced ionization of hydrogen atoms by solving a three-dimensional time-dependent Schrödinger equation.This work provides an essential reference for reconstructing the ultrafast dynamics of bound states induced by strong XUV atto-second pulses.
attosecond pulsebound-state dynamicsquantum beats
贾利娟、刘明清、王新强、徐龙、闫培光、姜维超、傅立斌
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Institute of Quantum Precision Measurement,College of Physics and Optoelectronic Engineering,Shenzhen University,Shenzhen 518060,China
Department of Physics,Xiamen University,Xiamen 361005,China
Graduate School of China Academy of Engineering Physics,Beijing 100193,China
国家自然科学基金国家自然科学基金国家自然科学基金国家自然科学基金Science Challenge ProjectGuangdong Basic and Applied Basic Research Foundation
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