We study the Hamiltonian, path integral and Becchi-Rouet-Stora and Tyutin (BRST) formulations of the restricted gauge theory of QCD2 à la Cho et al. under appropriate gauge-fixing conditions.
Any description of gluons requires a well-defined gauge.This is complicated non-perturbatively by Gribov copies.A possible method-independent gauge definition to resolve this problem is presented and afterwards used t...Any description of gluons requires a well-defined gauge.This is complicated non-perturbatively by Gribov copies.A possible method-independent gauge definition to resolve this problem is presented and afterwards used to study the properties of gluons at any temperature.It is found that only chromo-electric properties reflect the phase transition.From these the gauge-invariant phase transition temperature is determined for SU（2） and SU（3） Yang-Mills theory independently.展开更多
文摘We study the Hamiltonian, path integral and Becchi-Rouet-Stora and Tyutin (BRST) formulations of the restricted gauge theory of QCD2 à la Cho et al. under appropriate gauge-fixing conditions.
基金supported by the FWF under grant number M1099-N16
文摘Any description of gluons requires a well-defined gauge.This is complicated non-perturbatively by Gribov copies.A possible method-independent gauge definition to resolve this problem is presented and afterwards used to study the properties of gluons at any temperature.It is found that only chromo-electric properties reflect the phase transition.From these the gauge-invariant phase transition temperature is determined for SU（2） and SU（3） Yang-Mills theory independently.
