Finite-temperature behavior of the (2+1)D Georgi-Glashow model with and without quarks

Details Finite-temperature behavior of the (2+1)D Georgi-Glashow model with and without quarks Finite-temperature behavior of the (2+1)D Georgi-Glashow model with and without quarks

2002-07-24

arxiv.org/abs/hep-th/0207224v1

Physics

High Energy Physics

High Energy Physics - Theory

Talk given at the Workshop "Continuous Advances in QCD 2002/ARKADYFEST (honoring the 60th birthday of Prof. Arkady Vainshtein)

Scientific paper

(2+1)-dimensional Georgi-Glashow model and its SU(N)-generalization are explored at nonzero temperatures and in the regime when the Higgs boson is not infinitely heavy. The finiteness of the Higgs-boson mass leads to various novel effects. Those include the appearance of two separate phase transitions and of the upper bound on the parameter of the weak-coupling approximation, necessary to maintain the stochasticity of the Higgs vacuum. The modification of the finite-temperature behavior of the model emerging due to the introduction of massless quarks is also discussed.

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