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Resummation in a hot scalar field theory
Open accessAbstract
A resummed perturbative expansion is used to obtain the self-energy in the high-temperature ${g}^{2}{\ensuremath{\varphi}}^{4}$ field-theory model up to order ${g}^{4}$. From this the zero-momentum pole of the effective propagator is evaluated to determine the induced thermal mass and damping rate for the bosons in the plasma to order ${g}^{3}$. The calculations are performed in the imaginary-time formalism and a simple diagrammatic analysis is used to identify the relevant diagrams at each order. Results are compared with similar real-time calculations found in the literature.
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Citations
Cited by
Trodden, M. (1999) · Reviews of Modern Physics · doi:10.1103/revmodphys.71.1463 · Cited by 521
Thermodynamics of the electroweak phase transition
Buchmüller, W., Fodor, Z., & Hebecker, A. (1995) · Nuclear Physics B · doi:10.1016/0550-3213(95)00254-p · Cited by 64
Metadata
- Authors
- Parwani, R. R.
- Venue
- Physical Review D
- Publisher
- American Physical Society (APS)
- Published
- 1992-06-15
- Volume
- 45
- Issue
- 12
- Pages
- 4695-4705
- ISSN
- 0556-2821 (ISSN-L)
- OpenAlex
- W2023615361
- Cited by
- 380
- References
- 0
- FWCI
- 6.22
- Type
- journal article
- Language
- en
- Open access
- green
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- Parwani, R. R. (1992). Resummation in a hot scalar field theory. Physical Review D. https://doi.org/10.1103/physrevd.45.4695
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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
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.
