The SU(2) Adjoint Higgs Model at Positive Temperature: A Monte Carlo Study

Karsch, F.; Seiler, E.; Stamatescu, I.O.

doi:10.1016/0370-2693(83)91107-3

The SU(2) Adjoint Higgs Model at Positive Temperature: A Monte Carlo Study

F. Karsch
(
- CERN
)
,
E. Seiler
(
- Munich, Max Planck Inst.
)
,
I.O. Stamatescu
(
- CERN
)

May, 1983

7 pages

Published in:

Phys.Lett.B 131 (1983) 138-144

Published: 1983

DOI:

10.1016/0370-2693(83)91107-3

Report number:

CERN-TH-3612

View in:

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Abstract: (Elsevier)

We investigate the phase structure of the Georgi-Glashow model at positive temperature, realized by using an asymmetric 6 3 ×3 lattice. We find a clear signal for the deconfining phase transition at all values of the Higgs coupling constant. On the other hand, there is no unambiguous signal for a transition between a “Higgs” and a “symmetric” phase at moderate β ; very high values of β cannot be studied with the icosahedral subgroup used here, because of the freezing transition. We use some new observables as probes of the different behaviour of the system at different values of the Higgs coupling constant.

FIELD THEORETICAL MODEL: GEORGI-GLASHOW
GAUGE FIELD THEORY: SU(2)
MODEL: HIGGS
LATTICE FIELD THEORY: CRITICAL PHENOMENA
Heisenberg model
QUARK: CONFINEMENT
NUMERICAL CALCULATIONS: MONTE CARLO

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