The interfacial surface tension of a quark-gluon plasma fireball in a hadronic medium

被引：23

作者：

Ramanathan, R. ^{[1
]}

Gupta, K. K. ^{[1
]}

Jha, Agam K. ^{[1
]}

Singh, S. S. ^{[1
]}

机构：

[1] Univ Delhi, Ramjas Coll, Dept Phys, Delhi 110007, India

来源：

PRAMANA-JOURNAL OF PHYSICS | 2007年 / 68卷 / 05期

关键词：

quark-gluon plasma; quark-hadron phase transition;

D O I：

10.1007/s12043-007-0075-8

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We calculate the interfacial surface tension of a QGP-fireball in a hadronic medium in the Ramanathan et al statistical model. The constancy of the ratio of the surface tension with the cube of the critical transition temperature is in overall accordance with lattice QCD findings. It is in complete agreement with a recent MIT bag model calculation of surface tension. The velocity of sound in the QGP droplet is predicted to be in the range (0.27 +/- 0.02) times the velocity of light in vacuum and this value is independent of both the value of the transition temperature and the model parameters.

引用

页码：757 / 768

页数：12

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