Superfluid-supersolid phase transition of elongated dipolar Bose-Einstein condensates at finite temperatures
Juan Sánchez-Baena (Universitat Politecnica de Catalunya)
Thomas Pohl (Technische Universität Wien)
Fabian Maucher (University of the Balearic Islands, TU Delft - Optical Technologies)
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Abstract
We analyze the finite-temperature phase diagram of a dipolar Bose-Einstein condensate confined in a tubular geometry. The effect of thermal fluctuations is accounted for by means of Bogoliubov theory employing the local density approximation. In the considered geometry, the superfluid-supersolid phase transition can be of first and second order. We discuss how the corresponding transition point is affected by the finite temperature of the system.
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