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

Author

Listed:
  • Caramico D'Auria, A.
  • De Cesare, L.
  • Rabuffo, I.

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.

Suggested Citation

  • Caramico D'Auria, A. & De Cesare, L. & Rabuffo, I., 1996. "Phase transitions and critical properties in systems of interacting multicomponent magnetic bosons," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 225(3), pages 363-390.
    • Handle: RePEc:eee:phsmap:v:225:y:1996:i:3:p:363-390
    DOI: 10.1016/0378-4371(96)00007-6
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