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题名: Properties of strange quark matter objects with two types of surface treatments
作者: Xia, CJ;  Peng, GX;  Zhao, EG;  Zhou, SG
刊名: PHYSICAL REVIEW D
出版日期: 2016
卷号: 93, 期号:8, 页码:85025
学科分类: Astronomy & Astrophysics ;  Physics
DOI: http://dx.doi.org/10.1103/PhysRevD.93.085025
通讯作者: Xia, CJ
文章类型: Article
合作性质: 国内
英文摘要: We study strange quark matter (SQM) objects ranging from strangelets to strange stars based on our recently proposed unified description. The important interface effects are investigated by adopting a constant surface tension as well as the multiple reflection expansion (MRE) method. It is shown that the properties of SQM objects are strongly affected by the different surface treatments. In the former case, strangelets are more compact, an electric dipole is predicted on the surface of the quark part, and a local minimum of the energy per baryon appears for unusually small values of the surface tension. In the latter case, on the other hand, an electric potential well is formed, and the energy per baryon decreases monotonically with the SQM object's size. It is found that the MRE scenario coincides with the constant-surface-tension one if realistic values are considered. However, the effects of quark depletion on the quark-vacuum interface cannot be solely described by a constant surface tension. Thus we conclude that the MRE scenario is more reasonable.
类目[WOS]: Astronomy & Astrophysics ;  Physics, Particles & Fields
关键词[WOS]: HEAVY-ION COLLISIONS ;  LIQUID-DROP MODEL ;  EQUATION-OF-STATE ;  NEUTRON-STARS ;  FINITE-TEMPERATURE ;  MIXED-PHASE ;  DENSE MATTER ;  MASS ;  RADIUS ;  ENERGY
收录类别: SCI
项目资助者: National Natural Science Foundation of China [11135011, 11120101005, 11275248, 11475110, 11475115, 11575190, 11525524] ;  National Key Basic Research Program of China [2013CB834400] ;  Knowledge Innovation Project of the Chinese Academy of Sciences [KJCX2-EW-N01] ;  HPC Cluster of SKLTP/ITP-CAS ;  Supercomputing Center, CNIC of CAS
语种: 英语
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/21238
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Recommended Citation:
Xia, CJ,Peng, GX,Zhao, EG,et al. Properties of strange quark matter objects with two types of surface treatments[J]. PHYSICAL REVIEW D,2016,93(8):85025.
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