Variations on the excluded-volume mechanism

被引：59

作者：

Typel, S. ^{[1
]}

机构：

[1] GSI Helmholtzzentrum Schwerionenforsch GmbH, Planckstr 1, D-64291 Darmstadt, Germany

来源：

EUROPEAN PHYSICAL JOURNAL A | 2016年 / 52卷 / 01期

关键词：

EQUATION-OF-STATE; MEAN-FIELD MODELS; GAS;

D O I：

10.1140/epja/i2016-16016-3

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

The conventional excluded-volume mechanism in the theoretical description of matter properties is generalized by introducing more general functional dependencies of the available volume fraction. The requirement of thermodynamic consistency governs the appearance of rearrangement contributions to thermodynamic quantities and to particle potentials. The main features of the method are studied in three examples: the dissolution of deuterons in warm and dense nuclear matter, the stiffening or softening of the nuclear matter equation of state in a relativistic mean-field model, and the effects of medium-dependent effective degeneracy factors in a Fermi gas model for quark matter.

引用

页码：1 / 15

页数：15

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