Chin. Phys. Lett.  2003, Vol. 20 Issue (4): 499-501    DOI:
Original Articles |
Quantum Electrodynamics Theory of Laser Assisted Recombination
AO Shu-Yan1,2;CHENG Tai-Wang1;LI Xiao-Feng1;PAN Shou-Fu2;FU Pan-Ming1
1Laboratory of Optical Physics, Institute of Physics, and Center for Condensed Matter Physics Chinese Academy of Sciences, Beijing 100080 2Institute of Atomic and Molecular Physics, Jilin University, Changchun 130023
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AO Shu-Yan, CHENG Tai-Wang, LI Xiao-Feng et al  2003 Chin. Phys. Lett. 20 499-501
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Abstract Using a formal scattering theoretical approach, we develop a nonperturbative quantum electrodynamics theory to describe laser assisted recombination (LAR), in which an electron initially in the quantized Volkov state recombines with an ion and emits a high energy photon with frequency defined by energy conservation laws. The transition probability is expressed as an analytic closed form and the spectrum of LAR reflects mainly the properties of general Bessel functions. For the case of a fast electron the LAR spectrum is confined in a well-defined range, while for a slow electron, the LAR spectrum exhibits a double-plateau structure.

Keywords: 32.80.Rm      42.65.Ky      12.20.-m     
Published: 01 April 2003
PACS:  32.80.Rm (Multiphoton ionization and excitation to highly excited states)  
  42.65.Ky (Frequency conversion; harmonic generation, including higher-order harmonic generation)  
  12.20.-m (Quantum electrodynamics)  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y2003/V20/I4/0499
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AO Shu-Yan
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