Phase separation of ferromagnetic spin-1 Bose gases in non-zero magnetic field

G. Szirmai, K. Kis-Szabó, P. Szépfalusy

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Properties of ferromagnetic spin-1 Bose gases above and at the temperature of Bose-Einstein condensation are studied in the presence of a magnetic field. The equation of state is given in a mean-field approximation. It is found that there exists a critical magnetic field and below that two phases coexist with different particle densities. The stability of the system is also investigated with the help of the susceptibility matrix. The dynamics of the system is worked out in the Random Phase Approximation and the soft mode corresponding to the critical point is given.

Original languageEnglish
Pages (from-to)281-287
Number of pages7
JournalEuropean Physical Journal D
Volume36
Issue number3
DOIs
Publication statusPublished - Dec 1 2005

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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