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Phase transitions of charged scalars at finite temperature and chemical potential
Stockholm University, Faculty of Science, Department of Physics. Stockholm University, Faculty of Science, The Oskar Klein Centre for Cosmo Particle Physics (OKC).
2010 (English)In: Journal of High Energy Physics (JHEP), ISSN 1126-6708, E-ISSN 1029-8479, no 12, 24- p.Article in journal (Refereed) Published
Abstract [en]

We calculate the grand canonical partition function at the one-loop level for scalar quantum electrodynamics at finite temperature and chemical potential. A classical background charge density with a charge opposite that of the scalars ensures the neutrality of the system. For low density systems we find evidence of a first order phase transition. We find upper and lower bounds on the transition temperature below which the charged scalars form a condensate. A first order phase transition may have consequences for helium-core white dwarf stars in which it has been argued that such a condensate of charged helium-4 nuclei could exist.

Place, publisher, year, edition, pages
2010. no 12, 24- p.
Keyword [en]
Thermal Field Theory, Spontaneous Symmetry Breaking
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:su:diva-66210DOI: 10.1007/JHEP12(2010)024ISI: 000285964400022OAI: oai:DiVA.org:su-66210DiVA: diva2:467737
Note
authorCount :1Available from: 2011-12-19 Created: 2011-12-19 Last updated: 2017-12-08Bibliographically approved

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Rosen, Rachel A.
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