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Quantum electrodynamic approach to multiphoton ionization in strong fields
Chen, J; Chen, SG; Liu, J; Chen, J , Korea Adv Inst Sci & Technol, Dept Phys, Taejon 305701, South Korea.
2003
发表期刊JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS
ISSN0953-4075
卷号36期号:8页码:1559-1572
摘要In this paper we consider multiphoton ionization (MPI) within the framework of quantum electrodynamics (QED). Based on the quantized-field version of the Volkov solution, a formal scattering theory is developed. In particular, we include the non-laser radiation modes in our, Hamiltonian, to take into account the contribution from the spontaneous emission process to the transition amplitude. It is shown that, treating the radiation field with QED theory, one may firstly obtain the above threshold ionization energy distribution spectrum in an analytical form. Moreover, in addition to the well known semiclassical theory, the framework presented here; derived from a QED perspective, provides a new picture of the MPI process.
部门归属Korea Adv Inst Sci & Technol, Dept Phys, Taejon 305701, South Korea; Korea Adv Inst Sci & Technol, Coherent Xray Res Ctr, Taejon 305701, South Korea; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China; Inst Appl Phys & Computat Math, Beijing 100088, Peoples R China
关键词Above-threshold-ionization Harmonic-generation Rescattering Atoms
学科领域Physics
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收录类别SCI
WOS记录号WOS:000182977700012
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/13318
专题理论物理所SCI论文
通讯作者Chen, J , Korea Adv Inst Sci & Technol, Dept Phys, Taejon 305701, South Korea.
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Chen, J,Chen, SG,Liu, J,et al. Quantum electrodynamic approach to multiphoton ionization in strong fields[J]. JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS,2003,36(8):1559-1572.
APA Chen, J,Chen, SG,Liu, J,&Chen, J , Korea Adv Inst Sci & Technol, Dept Phys, Taejon 305701, South Korea..(2003).Quantum electrodynamic approach to multiphoton ionization in strong fields.JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS,36(8),1559-1572.
MLA Chen, J,et al."Quantum electrodynamic approach to multiphoton ionization in strong fields".JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS 36.8(2003):1559-1572.
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