ON THE POSSIBILITY OF THE EXISTENCE OF THE SPATIALLY PERIODICAL BOSE
Authors: A.S.Peletminsky (Electrophysical Scientific and Technical Centre of the National Academy of Sciences of Ukraine, 61002 Kharkiv, Ukraine), S.V.Peletminsky (National Science Centre, ``Kharkiv Institute of Physics and Technology'', 61108 Kharkiv, Ukraine; E-mail: firstname.lastname@example.org), Yu.V.Slyusarenko (National Science Centre, ``Kharkiv Institute of Physics and Technology'', 61108 Kharkiv, Ukraine; E-mail: email@example.com)
The possibility of constructing the theory relating to a spatially periodical Bose condensate in the model of a weakly nonideal Bose gas is studied. Equations for determining a spatially periodical order parameter at the temperature $T=0$ are formulated and their one-periodical solutions are obtained based on the isolated Bose condensate method. Here it is possible to neglect the contribution of quasiparticles to the thermodynamics of a boson system. The problems of thermodynamic stability of the spatially periodical Bose condensate are presented in short.
Comments: Figs. 0, Refs. 7, Tabs. 0.
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