Theory of a weakly nonideal Bose gas in a magnetic field

被引：15

作者：

Akhiezer, AI ^{[1
]}

Peletminskii, SV ^{[1
]}

Slyusarenko, YV ^{[1
]}

机构：

[1] Kharkov Physicotech Inst, Natl Sci Ctr, UA-310108 Kharkov, Ukraine

来源：

JOURNAL OF EXPERIMENTAL AND THEORETICAL PHYSICS | 1998年 / 86卷 / 03期

关键词：

Spectroscopy; Magnetic Field; State Physics; Field Theory; Elementary Particle;

D O I：

10.1134/1.558495

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

This paper investigates Bose-Einstein condensation of an ideal gas of finite-spin bosons in an external magnetic field. We generalize Bogolyubov's theory of a weakly nonideal Bose gas to the case where the gas of finite-spin bosons is located in an external magnetic field. We find the corresponding quasiparticle spectrum and formulate the superfluidity criterion for the boson gas. The magnetization of the weakly nonideal Bose gas is also determined. Finally, we specify a method of studying kinetic processes that take place in a weakly nonideal Bose gas. (C) 1998 American Institute of Physics. [S1063-7761(98)01103-2].

引用

页码：501 / 506

页数：6

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