Finite-Temperature Renormalization Group Predictions: The Critical Temperature Exponents, and Amplitude Ratios

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dc.creatorFreire, F.
dc.creatorO'Connor, Denjoe
dc.creatorStephens, C. R.
dc.creatorvan Eijck, M. A.
dc.date1996-01-30
dc.date.accessioned2026-07-07T04:21:51Z
dc.date.available2026-07-07T04:21:51Z
dc.description$λφ^4$ theory at finite temperature suffers from infrared divergences near the temperature at which the symmetry is restored. These divergences are handled using renormalization group methods. Flow equations which use a fiducial mass as flow parameter are well adapted to predicting the non-trivial critical exponents whose presence is reflected in these divergences. Using a fiducial temperature as flow parameter, we predict the critical temperature, at which the mass vanishes, in terms of the zero-temperature mass and coupling. We find some universal amplitude ratios which connect the broken and symmetric phases of the theory which agree well with those of the three-dimensional Ising model obtained from high- and low-temperature series expansions.
dc.description7 pages of LaTeX
dc.identifierhttps://arxiv.org/abs/hep-th/9601165
dc.identifierhttp://arxiv.org/abs/hep-th/9601165
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/54488
dc.subjectHigh Energy Physics - Theory
dc.subjectCondensed Matter
dc.titleFinite-Temperature Renormalization Group Predictions: The Critical Temperature Exponents, and Amplitude Ratios
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