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- Title
Inverse magnetic catalysis and size-dependent effects on the chiral symmetry restoration.
- Authors
Abreu, Luciano M.; Nery, Elenilson S.; Corrêa, Emerson B. S.
- Abstract
We investigate the combined finite-size and thermo-magnetic effects on the properties of the quark matter, in the context of the two-flavored Nambu–Jona-Lasinio model. In particular, by using the mean-field approximation and the Schwinger proper time method in a toroidal topology with periodic or antiperiodic conditions, we evaluate the chiral phase transition, the constituent quark mass and the thermal and spatial susceptibilities under the change of the size, temperature and strength of external magnetic field. To take into account the inverse magnetic catalysis phenomenon, we make use of a recently proposed magnetized coupling constant. The findings suggest that the observables are strongly affected by the variation of the variables and also by the periodicity of the boundary conditions, with the final outcomes depending on the balance of these competing phenomena.
- Subjects
PHASE transitions; NAMBU-Jona-Lasinio model; MAGNETIC flux density; COUPLING constants; QUARK matter
- Publication
European Physical Journal A -- Hadrons & Nuclei, 2023, Vol 59, Issue 7, p1
- ISSN
1434-6001
- Publication type
Article
- DOI
10.1140/epja/s10050-023-01078-5