Study of the chiral transition in a U(1) gauge-higgs-fermion theory with yukawa couplings

I. Hsiu Lee; Robert E. Shrock

doi:10.1016/0370-2693(87)91624-8

Study of the chiral transition in a U(1) gauge-higgs-fermion theory with yukawa couplings

I. Hsiu Lee
, Robert E. Shrock

Institute for Theoretical Physics

Stony Brook University

Brookhaven National Laboratory

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

22 Scopus citations

Abstract

We study the (zero-temperature) chiral transition in a U(1) gauge-Higgs-fermion theory with Yukawa couplings involving fermions of two different charges. Using analytic methods in the strong coupling limit, we find that for a range of sufficiently weak Yukawa couplings, this transition continues to exist and be of second-order, but is removed as the strength of the Yukawa coupling increases through a critical value. Some implications for the continuum limit of this model, and for electroweak interactions, are noted.

Original language	English
Pages (from-to)	541-546
Number of pages	6
Journal	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume	199
Issue number	4
DOIs	https://doi.org/10.1016/0370-2693(87)91624-8
State	Published - Dec 31 1987

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abstract = "We study the (zero-temperature) chiral transition in a U(1) gauge-Higgs-fermion theory with Yukawa couplings involving fermions of two different charges. Using analytic methods in the strong coupling limit, we find that for a range of sufficiently weak Yukawa couplings, this transition continues to exist and be of second-order, but is removed as the strength of the Yukawa coupling increases through a critical value. Some implications for the continuum limit of this model, and for electroweak interactions, are noted.",

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N2 - We study the (zero-temperature) chiral transition in a U(1) gauge-Higgs-fermion theory with Yukawa couplings involving fermions of two different charges. Using analytic methods in the strong coupling limit, we find that for a range of sufficiently weak Yukawa couplings, this transition continues to exist and be of second-order, but is removed as the strength of the Yukawa coupling increases through a critical value. Some implications for the continuum limit of this model, and for electroweak interactions, are noted.

AB - We study the (zero-temperature) chiral transition in a U(1) gauge-Higgs-fermion theory with Yukawa couplings involving fermions of two different charges. Using analytic methods in the strong coupling limit, we find that for a range of sufficiently weak Yukawa couplings, this transition continues to exist and be of second-order, but is removed as the strength of the Yukawa coupling increases through a critical value. Some implications for the continuum limit of this model, and for electroweak interactions, are noted.

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U2 - 10.1016/0370-2693(87)91624-8

DO - 10.1016/0370-2693(87)91624-8

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SN - 0370-2693

VL - 199

SP - 541

EP - 546

JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

IS - 4

ER -

Study of the chiral transition in a U(1) gauge-higgs-fermion theory with yukawa couplings

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