ITP OpenIR  > SCI期刊论文
Chen, YQ; Wu, P; Chen, YQ (reprint author), Chinese Acad Sci, Inst Theoret Phys, Key Lab Frontiers Theoret Phys, Beijing 100190, Peoples R China.
Positronium Decay in a Circular Polarized Laser Field
Source PublicationCOMMUNICATIONS IN THEORETICAL PHYSICS
Language英语
KeywordScattering Wave
AbstractWe 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].
2013
ISSN0253-6102
Volume60Issue:6Pages:747-752
Subject AreaPhysics
Indexed BySCI
Funding OrganizationNational 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]
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/15216
CollectionSCI期刊论文
Corresponding AuthorChen, YQ (reprint author), Chinese Acad Sci, Inst Theoret Phys, Key Lab Frontiers Theoret Phys, Beijing 100190, Peoples R China.
Recommended Citation
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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