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Incompressibility of strange matter

机译:奇怪物质的不可压缩性

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摘要

Strange stars (ReSS) calculated from a realistic equation of state (EOS), that incorporate chiral symmetry restoration as well as deconfinement at high density Phys. Lett. B 438 (1998) 123; Phys. Lett. B 447 (1999) 352, Addendum; Phys. Lett. B 467 (1999) 303, Erratum; Indian J. Phys. B 73 (1999) 377 show compact objects in the mass radius curve. We compare our calculations of incompressibility for this EOS with that of nuclear matter. One of the nuclear matter EOS has a continuous transition to ud-matter at about five times normal density. Another nuclear matter EOS incorporates density dependent coupling constants. From a look at the consequent velocity of sound, it is found that the transition to ud-matter seems necessary. (C) 2004 Elsevier B.V. All rights reserved.
机译:奇异恒星 (ReSS) 由现实状态方程 (EOS) 计算得出,其中包含手性对称恢复以及高密度解限 [Phys. Lett. B 438 (1998) 123; Phys. Lett. B 447 (1999) 352, 附录; Phys. Lett. B 467 (1999) 303, 勘误表;Indian J. Phys. B 73 (1999) 377] 在质量半径曲线中显示致密物体。我们将我们对这个EOS的不可压缩性的计算与核物质的不可压缩性计算进行了比较。其中一种核物质EOS以大约五倍于正常密度的连续跃迁为ud物质。另一个核物质EOS包含密度相关的耦合常数。从对随之而来的声速的观察中,发现向ud-物质的过渡似乎是必要的。(c) 2004 Elsevier B.V.保留所有权利。

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