- 03-439 Philippe Briet, Horia D. Cornean, Valentin A. Zagrebnov
- Do Bosons Condense in a Homogeneous Magnetic Field?
Sep 23, 03
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Abstract. It has been known since the rigorous result by Angelescu and
[A-C] that the answer
to the question in the title is negative for the Perfect Bose Gas
The main result of the present paper is that the answer could
positive if the bosons are simultaneously embedded in a
periodic external potential. We show that it is true for PBG, as
well as for the Bose gas with
a mean-field repulsive particle interaction.