1995/01/30 by Manu Raj Mathur, Mathur, Manu
Earth and Planetary Sciences · Physics and Astronomy · #Atomic and Subatomic Physics Research #FOS: Physical sciences #High Energy Physics - Lattice (hep-lat) #High-pressure geophysics and materials #earthquake and tectonic studies
paper · pdf · doi:10.48550/arxiv.hep-lat/9501036
openalex publication_date 1995/01/30 · openalex created_date 2016/06/24 · openalex updated_date 2026/07/28
We compute the effective action in terms of the Polyakov loop for the 3-dimensional pure fundamental-adjoint SU(2) lattice gauge theory at non-zero temperatures using the strong coupling expansion. In the extended coupling plane we show the existence of a tricritical point where the nature of the deconfinement transition undergoes a change from second to first order. The resulting phase structure is in excellent agreement with the Monte Carlo results both in the fundamental and adjoint directions. The possible consequences of our results on universality are discussed.