PION DECAY CONSTANT AT FINITE TEMPERATURE AND DENSITY

被引：22

作者：

BARDUCCI, A

CASALBUONI, R

DECURTIS, S

GATTO, R

PETTINI, G

机构：

[1] IST NAZL FIS NUCL,I-50125 FLORENCE,ITALY

[2] UNIV LECCE,DEPARTIMENTO FIS,I-73100 LECCE,ITALY

[3] IST NAZL FIS NUCL,I-73100 LECCE,ITALY

[4] UNIV GENEVA,DEPT PHYS THEOR,CH-1211 GENEVA 4,SWITZERLAND

来源：

PHYSICAL REVIEW D | 1990年 / 42卷 / 05期

关键词：

D O I：

10.1103/PhysRevD.42.1757

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The pion decay constant and the fermionic bilinear condensate at finite temperature and density are evaluated in the whole region of broken chirality by using the composite-operator approach to QCD. The critical exponents around the tricritical point (separating first-order from second-order phase transitions) are determined by general thermodynamical arguments. © 1990 The American Physical Society.

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页码：1757 / 1763

页数：7

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