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Ding Wen-Bo; Liu Guang-Zhou; Zhu Ming-Feng; Yu Zi; Zhao En-Guang; Ding, WB , Jilin Univ, Dept Phys, Ctr Theoret Phys, Changchun 130023, Peoples R China
(K)over-bar(0) condensation in hyperonic neutron star matter
Source PublicationCHINESE PHYSICS LETTERS
KeywordKaon-nuclear Interactions Heavy-ion Collisions Antikaon Condensation Phase-transitions Compact Stars 3rd Family Hypernuclei Systems Atoms Dense
AbstractIn the framework of the relativistic mean field theory, we investigate (K) over bar (0) condensation along with K- condensation in neutron star matter including the baryon octet. The results show that both (K) over bar (0) and K- condensations can occur well in the core of the maximum mass stars for relatively shallow optical potentials of (K) over bar in the range of -100 MeV similar to -160 MeV. With the increasing optical potential of (K) over bar, the critical densities of (K) over bar decrease and the species of baryons appearing in neutron stars become fewer. The main role of (K) over bar (0) condensation is to make the abundances of particles become identical leading to isospin saturated symmetric matter including antikaons, nucleons and hyperons. K- condensation is chiefly responsible for the softening of the corresponding equation of state, which leads to a large reduction in the maximum masses of neutron stars. In the core of massive neutron stars, neutron star matter including rich particle species, such as antikaons, nucleons and hyperons, may exist.
2008
ISSN0256-307X
Volume25Issue:2Pages:458-461
Subject AreaPhysics
Indexed BySCI
Citation statistics
Cited Times:11[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/5588
CollectionSCI期刊论文
Corresponding AuthorDing, WB , Jilin Univ, Dept Phys, Ctr Theoret Phys, Changchun 130023, Peoples R China
Recommended Citation
GB/T 7714
Ding Wen-Bo,Liu Guang-Zhou,Zhu Ming-Feng,et al. (K)over-bar(0) condensation in hyperonic neutron star matter[J]. CHINESE PHYSICS LETTERS,2008,25(2):458-461.
APA Ding Wen-Bo,Liu Guang-Zhou,Zhu Ming-Feng,Yu Zi,Zhao En-Guang,&Ding, WB , Jilin Univ, Dept Phys, Ctr Theoret Phys, Changchun 130023, Peoples R China.(2008).(K)over-bar(0) condensation in hyperonic neutron star matter.CHINESE PHYSICS LETTERS,25(2),458-461.
MLA Ding Wen-Bo,et al."(K)over-bar(0) condensation in hyperonic neutron star matter".CHINESE PHYSICS LETTERS 25.2(2008):458-461.
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