The Mean-plaquette Internal Energy for SU(3) Gauge Theory in Cumulant Expansion
- Received Date: 1989-01-03
Abstract: Cumulant expansion is used to calculate the mean plaquette internal energy for the d-dimensional SU(3) gauge theory. We use the methods of series expansion and steepest descent to calculate the SU(3) one-link invariant group integral. These two methods agree accurately with each other. The results show that the cumulant expansion is effective for 3-dimensional lattice gauge theory.