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A non-perturbative analysis of the finite-T phase transition in SU (2) × U (1) electroweak theory
Open accessAbstract
The continuum 3d SU(2)×U(1)+Higgs theory is an effective theory for a large class of 4d high-temperature gauge theories, including the minimal standard model and some of its supersymmetric extensions. We study the effects of the U(1) subgroup using lattice Monte Carlo techniques. When g ′2 /g 2 is increased from the zero corresponding to pure SU(2)+Higgs theory, the phase transition gets stronger. However, the increase in the strength is close to what is expected perturbatively, and the qualitative features of the phase diagram remain the same as for g ′2 = 0. In particular, the first order transition still disappears for mH > mH,c. We measure the photon mass and mixing angle, and find that the mass vanishes in both phases within the statistical errors.
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Cited by
Trodden, M. (1999) · Reviews of Modern Physics · doi:10.1103/revmodphys.71.1463 · Cited by 521
Metadata
- Authors
- Kajantie, K., Laine, M., Rummukainen, K., & Shaposhnikov, M.
- Venue
- Nuclear Physics B
- Publisher
- Elsevier BV
- Published
- 1997-05
- Volume
- 493
- Issue
- 1-2
- Pages
- 413-438
- ISSN
- 0550-3213 (ISSN-L)
- OpenAlex
- W2131596340
- Cited by
- 268
- References
- 0
- FWCI
- 11.75
- Type
- journal article
- Language
- en
- Open access
- green
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- CoChat. (2026). Citation check: A non-perturbative analysis of the finite-T phase transition in SU (2) × U (1) electroweak theory. https://app.cochat.ai/papers/10.1016/s0550-3213(97)00164-8
- The paper
- Kajantie, K., Laine, M., Rummukainen, K., & Shaposhnikov, M. (1997). A non-perturbative analysis of the finite-T phase transition in SU (2) × U (1) electroweak theory. Nuclear Physics B. https://doi.org/10.1016/s0550-3213(97)00164-8
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
