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Ding Wen-Bo; Liu Guang-Zhou; Zhu Ming-Feng; Yu Zi; Xu Yan; Zhao En-Guang; Ding, WB , Bohai Univ, Dept Phys, Jinzhou 121000, Peoples R China
(K)over-bar Condensation in Neutron Star Matter with Delta Quartet
Source PublicationCOMMUNICATIONS IN THEORETICAL PHYSICS
KeywordHeavy-ion Collisions Antikaon Condensation Kaon Hypernuclei Mass
AbstractIn the framework of relativistic mean field theory, the condensations of K(-) and (K) over bar (0) in neutron star matter including baryon octet and Delta quartet are studied. We find that in this case K(-) and (K) over bar (0) condensations can occur at relative shallow optical potential depth of (K) over bar from -80 MeV to - 160 MeV. Both K(-) and (K) over bar (0) condensations favor the appearances of Delta resonances. With (K) over bar condensations all the Delta quartet can appear well inside the maximum mass stars. The appearances of Delta resonances change the composition and distribution of particles at high densities. The populations of Delta resonances can enhance K(-) condensation .It is found that in the core of massive neutron stars, neutron star matter includes rich particle species, such as antikaons, baryon octet, and Delta quartet. In the presence of Delta resonances and (K) over bar condensation, the EOS becomes softer and results in smaller maximum mass stars. Furthermore the impact of antikaon condensations, hyperons, and Delta resonances on direct Urca process with nucleons is also discussed briefly.
2010
ISSN0253-6102
Volume54Issue:3Pages:500-508
Subject AreaPhysics
Indexed BySCI
Funding OrganizationNational Natural Science Foundation of China[10275029, 10675054] ; National Natural Science Foundation of China[10275029, 10675054] ; National Natural Science Foundation of China[10275029, 10675054] ; National Natural Science Foundation of China[10275029, 10675054]
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Cited Times:8[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/5054
CollectionSCI期刊论文
Corresponding AuthorDing, WB , Bohai Univ, Dept Phys, Jinzhou 121000, Peoples R China
Recommended Citation
GB/T 7714
Ding Wen-Bo,Liu Guang-Zhou,Zhu Ming-Feng,et al. (K)over-bar Condensation in Neutron Star Matter with Delta Quartet[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,2010,54(3):500-508.
APA Ding Wen-Bo.,Liu Guang-Zhou.,Zhu Ming-Feng.,Yu Zi.,Xu Yan.,...&Ding, WB , Bohai Univ, Dept Phys, Jinzhou 121000, Peoples R China.(2010).(K)over-bar Condensation in Neutron Star Matter with Delta Quartet.COMMUNICATIONS IN THEORETICAL PHYSICS,54(3),500-508.
MLA Ding Wen-Bo,et al."(K)over-bar Condensation in Neutron Star Matter with Delta Quartet".COMMUNICATIONS IN THEORETICAL PHYSICS 54.3(2010):500-508.
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