ITP OpenIR  > 理论物理所2013年知识产出
Positronium Decay in a Circular Polarized Laser Field
Chen, YQ; Wu, P; Chen, YQ (reprint author), Chinese Acad Sci, Inst Theoret Phys, Key Lab Frontiers Theoret Phys, Beijing 100190, Peoples R China.
2013
发表期刊COMMUNICATIONS IN THEORETICAL PHYSICS
ISSN0253-6102
卷号60期号:6页码:747-752
摘要We calculate the lifetime of both the o-Ps and the p-Ps positronium annihilation decay Ps -> gamma gamma in the strong circular polarized laser field. We take a strategy of the factorization to separate the effects caused by the Coulomb interaction and the strong laser field interaction. It is factorized in the time direction but not in the space direction. Our results show that in the laser with long wavelength and high intensity, the lifetimes of those Ps states are dramatically increased. For CO2 laser with 10 mu m wavelength and 10(13) W/cm(2) intensity, lifetime of the spin-single positronium is increased by 10(8) times. Our result is consistent with those obtained by solving the Schodinger equation. This effect may be useful for the high harmonic generation (HHG) effects provided with the Ps [Phys. Rev. Lett. 70 (1993) 774; Phys. Rev. Lett. 93 (2004) 013601].
部门归属[Chen Yu-Qi; Wu Pei] Chinese Acad Sci, Inst Theoret Phys, Key Lab Frontiers Theoret Phys, Beijing 100190, Peoples R China
关键词Scattering Wave
学科领域Physics
资助者National Natural Science Foundation of China [11275242] ; National Natural Science Foundation of China [11275242] ; National Natural Science Foundation of China [11275242] ; National Natural Science Foundation of China [11275242]
收录类别SCI
语种英语
资助者National Natural Science Foundation of China [11275242] ; National Natural Science Foundation of China [11275242] ; National Natural Science Foundation of China [11275242] ; National Natural Science Foundation of China [11275242]
WOS记录号WOS:000330882300019
引用统计
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/15216
专题理论物理所2013年知识产出
通讯作者Chen, YQ (reprint author), Chinese Acad Sci, Inst Theoret Phys, Key Lab Frontiers Theoret Phys, Beijing 100190, Peoples R China.
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GB/T 7714
Chen, YQ,Wu, P,Chen, YQ . Positronium Decay in a Circular Polarized Laser Field[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,2013,60(6):747-752.
APA Chen, YQ,Wu, P,&Chen, YQ .(2013).Positronium Decay in a Circular Polarized Laser Field.COMMUNICATIONS IN THEORETICAL PHYSICS,60(6),747-752.
MLA Chen, YQ,et al."Positronium Decay in a Circular Polarized Laser Field".COMMUNICATIONS IN THEORETICAL PHYSICS 60.6(2013):747-752.
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