Monte Carlo analysis of non compact QED lattice theory with Higgs fields

Mariano Baig; Elbio Dagotto; Adriana Moreo

doi:https://doi.org/10.1016/0920-5632(90)90339-V

Monte Carlo analysis of non compact QED lattice theory with Higgs fields

Mariano Baig, Elbio Dagotto, Adriana Moreo

Department of Physics

Research output: Contribution to journal › Article › Research › peer-review

2 Citations (Scopus)

Abstract

We report the first results of a Monte Carlo analysis of the phase diagram of the non compact pure gauge U(1) lattice theory coupled to Higgs fields of unitary norm. We found evidence of second order transition lines in the phase space of the (β, γ) couplings, except for the large γ limit where the transition becomes of first order. We argue the existence of a tricritical point in the phase diagram. We conclude that this model exhibits a better behaviour than the usual compact QED with Higgs fields which manifest only first order transitions. © 1990.

Original language	English
Pages (from-to)	671-674
Journal	Nuclear Physics B (Proceedings Supplements)
Volume	17
DOIs	https://doi.org/10.1016/0920-5632(90)90339-V
Publication status	Published - 1 Jan 1990

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title = "Monte Carlo analysis of non compact QED lattice theory with Higgs fields",

abstract = "We report the first results of a Monte Carlo analysis of the phase diagram of the non compact pure gauge U(1) lattice theory coupled to Higgs fields of unitary norm. We found evidence of second order transition lines in the phase space of the (β, γ) couplings, except for the large γ limit where the transition becomes of first order. We argue the existence of a tricritical point in the phase diagram. We conclude that this model exhibits a better behaviour than the usual compact QED with Higgs fields which manifest only first order transitions. {\textcopyright} 1990.",

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AU - Baig, Mariano

AU - Dagotto, Elbio

AU - Moreo, Adriana

PY - 1990/1/1

Y1 - 1990/1/1

N2 - We report the first results of a Monte Carlo analysis of the phase diagram of the non compact pure gauge U(1) lattice theory coupled to Higgs fields of unitary norm. We found evidence of second order transition lines in the phase space of the (β, γ) couplings, except for the large γ limit where the transition becomes of first order. We argue the existence of a tricritical point in the phase diagram. We conclude that this model exhibits a better behaviour than the usual compact QED with Higgs fields which manifest only first order transitions. © 1990.

AB - We report the first results of a Monte Carlo analysis of the phase diagram of the non compact pure gauge U(1) lattice theory coupled to Higgs fields of unitary norm. We found evidence of second order transition lines in the phase space of the (β, γ) couplings, except for the large γ limit where the transition becomes of first order. We argue the existence of a tricritical point in the phase diagram. We conclude that this model exhibits a better behaviour than the usual compact QED with Higgs fields which manifest only first order transitions. © 1990.

U2 - https://doi.org/10.1016/0920-5632(90)90339-V

DO - https://doi.org/10.1016/0920-5632(90)90339-V

M3 - Article

VL - 17

SP - 671

EP - 674

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