Phase structure for lattice fermions with flavored chemical potential terms

A bstract We discuss the chiral phase diagram in the parameter space of lattice QCD with minimal-doubling fermions, which can be seen as lattice fermions with flavored chemical potential terms. We study strong-coupling lattice QCD with the Karsten-Wilczek formulation, which has one relevant paramete...

Full description

Saved in:
Bibliographic Details
Published in:The journal of high energy physics 2012-08, Vol.2012 (8), Article 68
Main Author: Misumi, Tatsuhiro
Format: Article
Language:English
Subjects:
72
Chemical potential
Classical and Quantum Gravitation
Computer simulation
Coupling
Elementary Particles
Fermions
High energy physics
lattice gauge field theories
lattice QCD
Mathematical models
Parameters
Phase diagrams
Phase transitions
Physics
Physics and Astronomy
Quantum chromodynamics
Quantum Field Theories
Quantum Field Theory
Quantum Physics
Relativity Theory
Solid phases
String Theory
strong coupling expansion
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:A bstract We discuss the chiral phase diagram in the parameter space of lattice QCD with minimal-doubling fermions, which can be seen as lattice fermions with flavored chemical potential terms. We study strong-coupling lattice QCD with the Karsten-Wilczek formulation, which has one relevant parameter μ 3 as well as gauge coupling and a mass parameter. We find a nontrivial chiral phase structure with a second-order phase transition between chiral symmetric and broken phases. To capture the whole structure of the phase diagram, we study the related lattice Gross-Neveu model. The result indicates that the chiral phase transition also exists in the weak-coupling region. From these results we speculate on the μ 3 − g 2 chiral phase diagram in lattice QCD with minimal-doubling fermions, and discuss their application to numerical simulations.
ISSN:1029-8479
1029-8479
DOI:10.1007/JHEP08(2012)068