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Bhuyan, M; Carlson, BV; Patra, SK; Zhou, SG
The attribute of rotational profile to the hyperon puzzle in the prediction of heaviest compact star
Source PublicationINTERNATIONAL JOURNAL OF MODERN PHYSICS E-NUCLEAR PHYSICS
Language英语
KeywordMEAN-FIELD-THEORY EQUATION-OF-STATE NEUTRON-STARS RELATIVISTIC STARS MAXIMUM MASS MILLISECOND PULSAR NUCLEAR-EQUATION NUMERICAL-METHOD QUARK MATTER MODELS
AbstractIn this theoretical study, we report an investigation of the equations of state (EoSs) of hyper-nuclear matter and its composition as a function of density within the framework of effective field theory motivated relativistic mean field model. We have used G2 force parameter along with various hyperon-meson coupling ratios by allowing the mixing and the breaking of SU(6) symmetry to predict the EoSs, keeping the nucleonic coupling constant intact. We have estimated the properties of nonrotating and rapidly rotating configuration of compact stars by employing four different representative sets of equations of state. The obtained results of the mass and radius for the compact stars are compared with the recent mass observations. Further, we have studied the stability and sensitivity of rotational frequency (at sub-millisecond period) on the configuration of the compact stars because the angular frequency is significantly smaller than the mass-shedding (Keplerian) frequency in slow rotation regime. Moreover, the yield of hyperon as a function of density for various hyperon-meson couplings are also estimated.
2017
ISSN0218-3013
Volume26Issue:9Pages:1750052
Cooperation Status国际
Subject AreaPhysics
MOST Discipline CataloguePhysics, Nuclear ; Physics, Particles & Fields
DOI10.1142/S0218301317500525
Indexed BySCI
Funding Organization973 Program of China [2013CB834400] ; 973 Program of China [2013CB834400] ; NSF of China [11120101005, 11275248, 11525524] ; NSF of China [11120101005, 11275248, 11525524] ; Chinese Academy of Sciences [KJCX2-EW-N01] ; Chinese Academy of Sciences [KJCX2-EW-N01] ; FAPESP [2014/26195-5] ; FAPESP [2014/26195-5] ; CNPq - Brasil ; CNPq - Brasil
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/22737
Collection计算平台成果
Affiliation1.[Bhuyan, M.
2.Chinese Acad Sci, Inst Theoret Phys, Key Lab Theoret Phys, Beijing 100190, Peoples R China
3.Carlson, B. V.] Inst Tecnol Aeronaut, BR-12228900 Sao Paulo, Brazil
4.[Patra, S. K.] Sainik Sch, Inst Phys, Sachivalaya Marg, Bhubaneswar 751005, Orissa, India
5.Natl Lab Heavy, Ctr Theoret Nucl Phys, Lanzhou 730000, Gansu, Peoples R China
6.Hunan Normal Univ, Synerget Innovat Ctr Quantum Effects & Applicat, Changsha 410081, Hunan, Peoples R China
Recommended Citation
GB/T 7714
Bhuyan, M,Carlson, BV,Patra, SK,et al. The attribute of rotational profile to the hyperon puzzle in the prediction of heaviest compact star[J]. INTERNATIONAL JOURNAL OF MODERN PHYSICS E-NUCLEAR PHYSICS,2017,26(9):1750052.
APA Bhuyan, M,Carlson, BV,Patra, SK,&Zhou, SG.(2017).The attribute of rotational profile to the hyperon puzzle in the prediction of heaviest compact star.INTERNATIONAL JOURNAL OF MODERN PHYSICS E-NUCLEAR PHYSICS,26(9),1750052.
MLA Bhuyan, M,et al."The attribute of rotational profile to the hyperon puzzle in the prediction of heaviest compact star".INTERNATIONAL JOURNAL OF MODERN PHYSICS E-NUCLEAR PHYSICS 26.9(2017):1750052.
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