Ivashin, A.P.; Poluektov, Yu.M.
(Вопросы атомной науки и техники, 2012)
Using the Gross-Pitaevskii equation (GPE), which accounts for a weak non-locality effects, we study the structure of the vortex filaments in a Bose-gas. We show that the sign of the additional terms in the generalized GPE ...