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Gravitational leptogenesis and neutrino mass limit
Li H(李虹); Xia JQ(夏俊卿); Zhang XM(张新民); Li, H; Li, MZ; Zhang, XM
2004
Source PublicationPHYSICAL REVIEW D
Volume70Issue:4Pages:47302
Corresponding AuthorChinese Acad Sci, Inst High Energy Phys, Beijing 100039, Peoples R China
SubtypeArticle
AbstractRecently Davoudiasl (hep-ph/0403019) have introduced a new type of interaction between the Ricci scalar R and the baryon current J(mu), partial derivative(mu)RJ(mu) and proposed a mechanism for baryogenesis, the gravitational baryogenesis. Generally, however, partial derivative(mu)R vanishes in the radiation-dominated era. In this paper we consider a generalized form of their interaction partial derivative(mu)f(R)J(mu) and study again the possibility of gravitational baryo(lepto)genesis. Taking f(R)similar toln R, we will show that partial derivative(mu)f(R)similar topartial derivative(mu)R/R does not vanish and the required baryon number asymmetry can be naturally generated in the early universe.
Subject AreaAstronomy & Astrophysics; Physics
DOI10.1103/PhysRevD.70.047302
URL查看原文
Indexed ByINSPIREHEP ; ADS
Language英语
WOS Research AreaAstronomy & Astrophysics ; Physics
WOS SubjectAstronomy & Astrophysics ; Physics, Particles & Fields
WOS IDWOS:000223859700141
ADS Bibcode2004PhRvD..70d7302L
ADS URLhttps://ui.adsabs.harvard.edu/abs/2004PhRvD..70d7302L
ADS CITATIONShttps://ui.adsabs.harvard.edu/abs/2004PhRvD..70d7302L/citations
inspireid647222
inspireURLhttps://inspirehep.net/literature/647222
Citation statistics
Cited Times:64 [INSPIRE]
Cited Times:67 [ADS]
Document Type期刊论文
Identifierhttp://ir.ihep.ac.cn/handle/311005/240635
Collection理论物理室
粒子天体物理中心
Affiliation中国科学院高能物理研究所
First Author AffilicationInstitute of High Energy
Recommended Citation
GB/T 7714
Li H,Xia JQ,Zhang XM,et al. Gravitational leptogenesis and neutrino mass limit[J]. PHYSICAL REVIEW D,2004,70(4):47302.
APA 李虹,夏俊卿,张新民,Li, H,Li, MZ,&Zhang, XM.(2004).Gravitational leptogenesis and neutrino mass limit.PHYSICAL REVIEW D,70(4),47302.
MLA 李虹,et al."Gravitational leptogenesis and neutrino mass limit".PHYSICAL REVIEW D 70.4(2004):47302.
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