The non-zero baryon number formulation of QCD

被引:4
作者
Kaczmarek, O [1 ]
机构
[1] Univ Bielefeld, Fak Phys, D-33615 Bielefeld, Germany
关键词
D O I
10.1016/S0920-5632(00)91676-1
中图分类号
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号
摘要
We discuss the non-zero baryon number formulation of QCD in the quenched limit at finite temperature. This describes the thermodynamics of gluons in the background of static quark sources. Although a sign problem remains in this theory, our simulation results show that it can be handled quite well numerically. The transition region gets shifted to smaller temperatures and the transition region broadens with increasing baryon number. Although the action is in our formulation explicitly Z(3) symmetric the Polyakov loop expectation value becomes non-zero already in the low temperature phase and the heavy quark potential gets screened at non-vanishing number density already this phase.
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收藏
页码:369 / 371
页数:3
相关论文
共 10 条
[1]  
Barbour IM, 1998, NUCL PHYS B, P220, DOI 10.1016/S0920-5632(97)00484-2
[2]  
Bender I., 1992, Nuclear Physics B, Proceedings Supplements, V26B, P323, DOI 10.1016/0920-5632(92)90265-T
[3]   CRITICAL-BEHAVIOR IN BARYONIC MATTER [J].
BERG, B ;
ENGELS, J ;
KEHL, E ;
WALTL, B ;
SATZ, H .
ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS, 1986, 31 (01) :167-174
[4]   High density QCD with static quarks [J].
Blum, T ;
Hetrick, JE ;
Toussaint, D .
PHYSICAL REVIEW LETTERS, 1996, 76 (07) :1019-1022
[5]   String breaking in lattice quantum chromodynamics [J].
DeTar, C ;
Kaczmarek, O ;
Karsch, F ;
Laermann, E .
PHYSICAL REVIEW D, 1999, 59 (03)
[6]  
ENGELS J, HEPLAT9903030
[7]   CHEMICAL-POTENTIAL ON THE LATTICE [J].
HASENFRATZ, P ;
KARSCH, F .
PHYSICS LETTERS B, 1983, 125 (04) :308-310
[8]   CHIRAL SYMMETRY RESTORATION IN BARYON RICH ENVIRONMENTS [J].
KOGUT, J ;
MATSUOKA, H ;
STONE, M ;
WYLD, HW ;
SHENKER, S ;
SHIGEMITSU, J ;
SINCLAIR, DK .
NUCLEAR PHYSICS B, 1983, 225 (01) :93-122
[9]   EXACT IMPLEMENTATION OF BARYON-NUMBER CONSERVATION IN LATTICE GAUGE-THEORY [J].
MILLER, DE ;
REDLICH, K .
PHYSICAL REVIEW D, 1987, 35 (08) :2524-2530
[10]   GAUGE-THEORIES WITH IMAGINARY CHEMICAL-POTENTIAL AND THE PHASES OF QCD [J].
ROBERGE, A ;
WEISS, N .
NUCLEAR PHYSICS B, 1986, 275 (04) :734-745