Stability of the Bulk Phase Diagram of the SU(2) Lattice Gauge Theory with Fundamental - Adjoint Action
Saumen Datta, Rajiv V. Gavai
Abstract
Using improved mean field and strong coupling expansions we re-analyse the bulk phase diagram of the fundamental-adjoint action of the SU(2) Lattice Gauge Theory. We find that the qualitative features of the bulk phase diagram are robust and unchanged by the inclusion of higher order terms. On the other hand, some of the quantitative features, such as the location of the endpoint of the line of bulk phase transitions, seem to be strongly dependent on the higher terms of the strong coupling expansion.
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