Second order transitions in Z(2) gauge theory in four dimensions

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I study the four-dimensional Z(2) gauge theory with asymmetric couplings (β1 for the xy, xz, xt plaquettes and β2 for the yz, yt, zt plaquettes) by Monte Carlo simulation. A rich phase structure is found in the β1, β2 plane. In particular, there are lines of second order transitions that meet in a tri-critical point at which a four-dimensional Lorentz invariant continuum limit might exist. Further, the limit β1 → ∞, β2 → 0 for which the hamiltonian theory is obtained, is found to be the end-point of a line of first order transitions. The prediction therefore is that the hamiltonian formulation of this theory has a second order phase transition with infinite correlation length.

Original languageEnglish (US)
Pages (from-to)401-402
Number of pages2
JournalPhysics Letters B
Issue number6
StatePublished - Feb 17 1983
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

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