COLLECTIVE FERMIONIC EXCITATIONS IN SYSTEMS WITH A LARGE CHEMICAL-POTENTIAL

被引：71

作者：

BLAIZOT, JP

OLLITRAULT, JY

机构：

[1] Service de Physique Théorique, CE-Saclay

来源：

PHYSICAL REVIEW D | 1993年 / 48卷 / 03期

关键词：

D O I：

10.1103/PhysRevD.48.1390

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We study fermionic excitations in a cold ultrarelativistic plasma. We construct explicitly the quantum states associated with the two branches which develop in the spectrum as the chemical potential is raised. The collective nature of the long wavelength excitations is cleary exhibited.

引用

收藏

页码：1390 / 1408

页数：19

相关论文

共 26 条

[1]

ALTHERR T, ENSLAPPA38492 REP

[2] EMERGENCE OF NEW QUASI-PARTICLES IN QUANTUM ELECTRODYNAMICS AT FINITE TEMPERATURE [J].

BAYM, G ;

BLAIZOT, JP ;

SVETITSKY, B .

PHYSICAL REVIEW D, 1992, 46 (09) :4043-4051

[3]

Blaizot J.-P., 1986, QUANTUM THEORY FINIT

[4] KINETIC-THEORY AND QUANTUM ELECTRODYNAMICS AT HIGH-TEMPERATURE [J].

BLAIZOT, JP ;

IANCU, E .

NUCLEAR PHYSICS B, 1993, 390 (03) :589-620

[5] SOFT AMPLITUDES IN HOT GAUGE-THEORIES - A GENERAL-ANALYSIS [J].

BRAATEN, E ;

PISARSKI, RD .

NUCLEAR PHYSICS B, 1990, 337 (03) :569-634

[6] NEUTRINO EMISSIVITY OF AN ULTRARELATIVISTIC PLASMA FROM POSITRON AND PLASMINO ANNIHILATION [J].

BRAATEN, E .

ASTROPHYSICAL JOURNAL, 1992, 392 (01) :70-73

[7] DEDUCING HARD THERMAL LOOPS FROM WARD IDENTITIES [J].

BRAATEN, E ;

PISARSKI, RD .

NUCLEAR PHYSICS B, 1990, 339 (02) :310-324

[8] RESUMMATION AND GAUGE-INVARIANCE OF THE GLUON DAMPING RATE IN HOT QCD [J].

BRAATEN, E ;

PISARSKI, RD .

PHYSICAL REVIEW LETTERS, 1990, 64 (12) :1338-1341

[9] CALCULATION OF THE GLUON DAMPING RATE IN HOT QCD [J].

BRAATEN, E ;

PISARSKI, RD .

PHYSICAL REVIEW D, 1990, 42 (06) :2156-2160

[10] NONPERTURBATIVE EFFECTS IN QED WITH CHEMICAL-POTENTIAL [J].

CHU, MC ;

HUANG, SZ ;

POLONYI, J .

NUCLEAR PHYSICS B, 1991, 362 (03) :599-615