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Li, A; Liu, T; Gubler, P; Xu, RX; Li, A (reprint author), Xiamen Univ, Dept Astron, Xiamen 361005, Peoples R China.
Revisiting the boiling of primordial quark nuggets at nonzero chemical potential
发表期刊ASTROPARTICLE PHYSICS
语种英语
关键词Equation Of State Quark-hadron Phase Transition Quark Nuggets
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.
2015
卷号62期号:0页码:115-121
学科领域Astronomy & Astrophysics ; Physics
DOIhttp://dx.doi.org/10.1016/j.astropartphys.2014.08.001
收录类别SCI
项目资助者National Basic Research Program(973 Program) of China [2012CB821800, 2014CB845800] ; National Basic Research Program(973 Program) of China [2012CB821800, 2014CB845800] ; 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 ; 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] ; 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] ; 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]
引用统计
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/21078
专题理论物理所科研产出_SCI论文
通讯作者Li, A (reprint author), Xiamen Univ, Dept Astron, Xiamen 361005, Peoples R China.
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GB/T 7714
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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