Complete gluonic phase in two-flavour colour superconductivity

被引：1

作者：

Xiao-Ming, Wang ^{[1
]}

Bang-Rong, Zhou ^{[1
]}

机构：

[1] Grad Univ Chinese Acad Sci, Coll Phys Sci, Beijing 100049, Peoples R China

来源：

CHINESE PHYSICS LETTERS | 2008年 / 25卷 / 04期

关键词：

13;

D O I：

10.1088/0256-307X/25/4/020

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We study a typical complete gluonic phase (LGP) in two-flavour colour superconductivity (2SC) by calculating the essential cubic and quartic interfering term between the gluonic condensates < A(z)((8))> and < A(z)((6))> with a gauged NJL model. It is proven that the coefficients of the cubic interfering term and the vacuum contributions of the cubic and quartic interfering term are all equal to zeroes. The coefficients of the quartic interfering term and the < A(z)((6))>'s quartic self-interaction term at stationary points of Larkin-Ovchinnikov Fulde Ferrell (LOFF) phase are calculated. Comparisons among the effective potentials of LGP, g2SC and LOFF phase indicate that LGP could be the genuine ground state of 2SC for some reasonable parameters.

引用

页码：1235 / 1238

页数：4

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