Study of gauge (in)dependence of monopole dynamics
Shinji Ejiri, Shun-ichi Kitahara, Yoshimi Matsubara, Tsuyoshi Okude,, Tsuneo Suzuki, Koji Yasuta
TL;DR
This study examines how the confinement mechanism via monopole condensation in SU(2) lattice QCD depends on gauge choice, revealing that monopoles can reproduce string tension across gauges and linking monopole current behavior to phase transitions.
Contribution
It demonstrates gauge independence of monopole-induced string tension and connects monopole current uniformity breaking to the Polyakov loop behavior at critical temperature.
Findings
Monopoles reproduce string tension in Polyakov gauge.
Polyakov loop behavior relates to monopole current uniformity breaking.
Gauge dependence of monopole effects is limited.
Abstract
We investigated the gauge (in)dependence of the confinement mechanism due to monopole condensation in SU(2) lattice QCD by various abelian projections. We found (1) the string tension can be reproduced by monopoles alone also in Polyakov gauge and (2) the behaviors of the Polyakov loop at the critical temperature seem to be explained by the uniformity breaking of the monopole currents in every gauge.
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