Nematic tensor evolution in the partially-polarized spin-1 Bose-Einstein condensatesстатья
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Дата последнего поиска статьи во внешних источниках: 17 августа 2021 г.
Аннотация:Based on the many-particle quantum hydrodynamics method developed earlier by L. S. Kuzmenkov and his co-workers, the author of this article has derived a complete system of hydrodynamic equations that describes the Bose-Einstein condensate of atoms with spin 1. In this case, long-range spin-spin dipole interactions of atoms are taken into account. The existence of collective modes of phonons and magnons in the ferromagnetic phase of the spinor condensate is predicted. It is shown that the above-mentioned spin-spin interactions significantly affect the dispersion laws of these modes.