FINITE-SIZE TEST FOR THE FINITE-TEMPERATURE CHIRAL PHASE-TRANSITION IN LATTICE QCD

被引:58
作者
FUKUGITA, M
MINO, H
OKAWA, M
UKAWA, A
机构
[1] YAMANASHI UNIV, FAC ENGN, KOFU, YAMANASHI 400, JAPAN
[2] NATL LAB HIGH ENERGY PHYS, TSUKUBA, IBARAKI 305, JAPAN
[3] UNIV TSUKUBA, INST PHYS, SAKURA, IBARAKI 305, JAPAN
关键词
D O I
10.1103/PhysRevLett.65.816
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
A finite-size test was carried out for the finite-temperature chiral phase transition in QCD for flavor number Nf=4 and 2 on a lattice with four time slices using the Kogut-Susskind quark action at quark mass of 0.025 in lattice units. All the evidence supports a first-order transition for Nf=4. For Nf=2, however, the data on spatial lattice up to 123 fail to yield convincing finite-size signatures for a first-order transition at this quark mass. © 1990 The American Physical Society.
引用
收藏
页码:816 / 819
页数:4
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