Papers

Peer-reviewed
Oct, 2008

Canonical partition function and finite density phase transition in lattice QCD

PHYSICAL REVIEW D
  • Shinji Ejiri

Volume
78
Number
7
First page
74507
Last page
Language
English
Publishing type
Research paper (scientific journal)
DOI
10.1103/PhysRevD.78.074507
Publisher
AMER PHYSICAL SOC

We discuss the nature of the phase transition for lattice QCD at finite temperature and density. We propose a method to calculate the canonical partition function by fixing the total quark number introducing approximations allowed in the low density region. An effective potential as a function of the quark number density is discussed from the canonical partition function. We analyze data obtained in a simulation of two-flavor QCD using p4-improved staggered quarks with bare quark mass m/T=0.4 on a 16(3)x4 lattice. The results suggest that the finite density phase transition at low temperature is of first order.

Link information
DOI
https://doi.org/10.1103/PhysRevD.78.074507
Web of Science
https://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=JSTA_CEL&SrcApp=J_Gate_JST&DestLinkType=FullRecord&KeyUT=WOS:000260574800076&DestApp=WOS_CPL
ID information
  • DOI : 10.1103/PhysRevD.78.074507
  • ISSN : 2470-0010
  • eISSN : 2470-0029
  • Web of Science ID : WOS:000260574800076

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