Open AccessTHE COLEMAN PHASE TRANSITION FOR THE DOUBLE sine-GORDON MODEL IN n+1 DIMENSIONS
Author(s) -
Zhenli Wang,
Lou Sen-Yue
Publication year - 1990
Publication title -
wuli xuebao
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.39.8
Subject(s) - sine , mathematical physics , phase transition , physics , phase (matter) , statistical physics , condensed matter physics , quantum mechanics , mathematics , geometry
The Gaussian effective potential of the double sine-Gordon model in n + 1 dim ensions is computed. Within the Gaussian approximation, we prove that the model is trivial for n ≥ 3 and there exists a Coleman phase transition point for n cr=(n+2π(n+1)/2(α1R+α2R/4)(3-n)/2)/(Γ(1/2(3-n))(α1R+α2R/16)).