ITP OpenIR  > 理论物理所2015年知识产出
Revisiting the boiling of primordial quark nuggets at nonzero chemical potential
Li, A; Liu, T; Gubler, P; Xu, RX; Li, A (reprint author), Xiamen Univ, Dept Astron, Xiamen 361005, Peoples R China.
2015
发表期刊ASTROPARTICLE PHYSICS
卷号62期号:0页码:115-121
文章类型Article
摘要The boiling of possible quark nuggets during the quark-hadron phase transition of the Universe at non-zero chemical potential is revisited within the microscopic Brueckner-Hartree-Fock approach employed for the hadron phase, using two kinds of baryon interactions as fundamental inputs. To describe the deconfined phase of quark matter, we use a recently developed quark mass density-dependent model with a fully self-consistent thermodynamic treatment of confinement. We study the baryon number limit A(boil) (above which boiling may be important) with three typical values for the confinement parameter D. It is firstly found that the baryon interaction with a softer equation of state for the hadron phase would only lead to a small increase of A(boil). However, results depend sensitively on the confinement parameter in the quark model. Specifically, boiling might be important during the Universe cooling for a limited parameter range around D-1/2 = 170 MeV, a value satisfying recent lattice QCD calculations of the vacuum chiral condensate, while for other choices of this parameter, boiling might not happen and cosmological quark nuggets of 10(2) < A < 10(50) could survive. (C) 2014 Elsevier B.V. All rights reserved.
关键词Equation Of State Quark-hadron Phase Transition Quark Nuggets
学科领域Astronomy & Astrophysics ; Physics
资助者National Basic Research Program(973 Program) of China [2012CB821800, 2014CB845800] ; National Basic Research Program(973 Program) of China [2012CB821800, 2014CB845800] ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; National Natural Science Foundation of China [11078015, 11103015, 11225314, 11233006, 11473022, U1431107, U1331101] ; National Natural Science Foundation of China [11078015, 11103015, 11225314, 11233006, 11473022, U1431107, U1331101] ; CAS Open Research Program of Key Laboratory for the Structure and Evolution of Celestial Objects [OP201305] ; CAS Open Research Program of Key Laboratory for the Structure and Evolution of Celestial Objects [OP201305] ; National Basic Research Program(973 Program) of China [2012CB821800, 2014CB845800] ; National Basic Research Program(973 Program) of China [2012CB821800, 2014CB845800] ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; National Natural Science Foundation of China [11078015, 11103015, 11225314, 11233006, 11473022, U1431107, U1331101] ; National Natural Science Foundation of China [11078015, 11103015, 11225314, 11233006, 11473022, U1431107, U1331101] ; CAS Open Research Program of Key Laboratory for the Structure and Evolution of Celestial Objects [OP201305] ; CAS Open Research Program of Key Laboratory for the Structure and Evolution of Celestial Objects [OP201305]
DOIhttp://dx.doi.org/10.1016/j.astropartphys.2014.08.001
关键词[WOS]DUN GRAND NOMBRE ; MONTE-CARLO CALCULATIONS ; NEUTRON-STAR MATTER ; EQUATION-OF-STATE ; UN DEVELOPPEMENT ; PHASE-TRANSITION ; STRANGE MATTER ; PROTONEUTRON STARS ; PARTICULES ; NUCLEI
收录类别SCI
语种英语
资助者National Basic Research Program(973 Program) of China [2012CB821800, 2014CB845800] ; National Basic Research Program(973 Program) of China [2012CB821800, 2014CB845800] ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; National Natural Science Foundation of China [11078015, 11103015, 11225314, 11233006, 11473022, U1431107, U1331101] ; National Natural Science Foundation of China [11078015, 11103015, 11225314, 11233006, 11473022, U1431107, U1331101] ; CAS Open Research Program of Key Laboratory for the Structure and Evolution of Celestial Objects [OP201305] ; CAS Open Research Program of Key Laboratory for the Structure and Evolution of Celestial Objects [OP201305] ; National Basic Research Program(973 Program) of China [2012CB821800, 2014CB845800] ; National Basic Research Program(973 Program) of China [2012CB821800, 2014CB845800] ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; National Natural Science Foundation of China [11078015, 11103015, 11225314, 11233006, 11473022, U1431107, U1331101] ; National Natural Science Foundation of China [11078015, 11103015, 11225314, 11233006, 11473022, U1431107, U1331101] ; CAS Open Research Program of Key Laboratory for the Structure and Evolution of Celestial Objects [OP201305] ; CAS Open Research Program of Key Laboratory for the Structure and Evolution of Celestial Objects [OP201305]
WOS类目Astronomy & Astrophysics ; Physics, Particles & Fields
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/21078
专题理论物理所2015年知识产出
通讯作者Li, A (reprint author), Xiamen Univ, Dept Astron, Xiamen 361005, Peoples R China.
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Li, A,Liu, T,Gubler, P,et al. Revisiting the boiling of primordial quark nuggets at nonzero chemical potential[J]. ASTROPARTICLE PHYSICS,2015,62(0):115-121.
APA Li, A,Liu, T,Gubler, P,Xu, RX,&Li, A .(2015).Revisiting the boiling of primordial quark nuggets at nonzero chemical potential.ASTROPARTICLE PHYSICS,62(0),115-121.
MLA Li, A,et al."Revisiting the boiling of primordial quark nuggets at nonzero chemical potential".ASTROPARTICLE PHYSICS 62.0(2015):115-121.
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