Phase transitions and critical properties in systems of interacting multicomponent magnetic bosons

A. Caramico D'Auria, L. De Cesare and I. Rabuffo

Physica A: Statistical Mechanics and its Applications, 1996, vol. 225, issue 3, 363-390

Abstract: A d-dimensional model of multicomponent interacting bosons with spin S and a magnetic moment in the presence of a magnetic field H is studied by means of a large-n limit treatment and a renormalization group approach, in the spirit of critical phenomena theory. Magnetic phase transitions and a ferromagnetic state with a zero-field divergent susceptibility and an exotic criticality are shown to occur, as in the noninteracting model, strictly related to the onset of the Bose-Einstein condensation.

Keywords: Interacting magnetic bosons; Bose condensation; Bose ferromagnetism (search for similar items in EconPapers)
Date: 1996
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:225:y:1996:i:3:p:363-390

DOI: 10.1016/0378-4371(96)00007-6

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