The Deconfinement Transition for Quenched SU(2) Lattice {QCD} With Wilson Fermions

Engels, J.; Karsch, F.

doi:10.1016/0370-2693(83)91331-X

The Deconfinement Transition for Quenched SU(2) Lattice {QCD} With Wilson Fermions

J. Engels
(
- Bielefeld U.
)
,
F. Karsch
(
- CERN
)

Dec, 1982

6 pages

Published in:

Phys.Lett.B 125 (1983) 481-486

Published: 1983

DOI:

10.1016/0370-2693(83)91331-X

Report number:

CERN-TH-3481

View in:

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Abstract: (Elsevier)

The fermion contribution to the energy density of SU(2) lattice QCD is calculated in the quenched approximation for Wilson fermions as a function of temperature. The technique employed is a high order hopping parameter expansion. We find that the deconfinement temperature is - essentially independent of the quark mass - the same as that earlier determined for the pure gauge field part of SU(2) lattice QCD. The critical hopping parameter is estimated from the convergence radius of 〈 ψ ψ〉 . At least for SU(2), the quantity 〈 ψ ψ〉 shows no drastic change in behaviour indicating the exact position of a chiral phase transition.

LATTICE FIELD THEORY: CRITICAL PHENOMENA
GAUGE FIELD THEORY: SU(2)
FERMION: FIELD THEORY
QUANTUM CHROMODYNAMICS
APPROXIMATION: QUENCHING
ENERGY: DENSITY
DEPENDENCE: TEMPERATURE
SYMMETRY BREAKING: CHIRAL
NUMERICAL CALCULATIONS: MONTE CARLO

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