Magnetic susceptibility of Bose gases
with ferromagnetic interaction
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Abstract
Magnetic susceptibility of three-dimensional Bose gas with ferromagnetic interaction was studied
under external magneticfield within mean-field theory. The relationships of magnetic susceptibility with
reduced temperature, with reduced ferromagnetic coupling constant, with lande factor, and with reduced
magnetic field strength were discussed. Ferromagnetism under weak ferromagnetic interactionstrengthand
paramagnetism wasfoundtobeconducivetotheincreaseofmagneticsusceptibility.
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