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dc.date.accessioned 2022-03-10T18:12:49Z
dc.date.available 2022-03-10T18:12:49Z
dc.date.issued 2002-10-01
dc.identifier.uri http://sedici.unlp.edu.ar/handle/10915/132364
dc.description.abstract We study the breaking of parity symmetry in the 2+1 Gross-Neveu model at finite temperature with chemical potential μ, in the presence of an external magnetic field. We find that the requirement of gauge invariance, which is considered mandatory in the presence of gauge fields, breaks parity at any finite temperature and provides for dynamical mass generation, preventing symmetry restoration for any non-vanishing μ. The dynamical mass becomes negligibly small as temperature is raised. es
dc.format.extent 529-532 es
dc.language en es
dc.title On planar fermions with quartic interaction at finite temperature and density en
dc.type Articulo es
sedici.identifier.other arXiv:cond-mat/0106609 es
sedici.identifier.other doi:10.1140/epjb/e2002-00318-3 es
sedici.identifier.issn 1434-6028 es
sedici.identifier.issn 1434-6036 es
sedici.creator.person Cabra, Daniel Carlos es
sedici.creator.person Rossini, Gerardo Luis es
sedici.subject.materias Física es
sedici.description.fulltext true es
mods.originInfo.place Facultad de Ciencias Exactas es
sedici.subtype Preprint es
sedici.rights.license Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)
sedici.rights.uri http://creativecommons.org/licenses/by-nc-sa/4.0/
sedici.description.peerReview peer-review es
sedici.relation.journalTitle The European Physical Journal B es
sedici.relation.journalVolumeAndIssue vol. 29, no. 4 es


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Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) Excepto donde se diga explícitamente, este item se publica bajo la siguiente licencia Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)