Long-Range S-Wave Interactions in Bose-Einstein Condensates: An Exact Correspondence Between Truncated Free Energy and Dynamics

Please use this identifier to cite or link to this item: http://dr.iiserpune.ac.in:8080/xmlui/handle/123456789/3526

Title:	Long-Range S-Wave Interactions in Bose-Einstein Condensates: An Exact Correspondence Between Truncated Free Energy and Dynamics
Authors:	PENDSE, ABHIJIT Dept. of Physics
Keywords:	Long-Range S-Wave Interactions Bose-Einstein Truncated Free Energy and Dynamics Beyond Fermi pseudopotential 2017
Issue Date:	Mar-2017
Publisher:	Springer Nature
Citation:	International Journal of Theoretical Physics, 56(7), 2081-2085.
Abstract:	We consider the Gross-Pitaevskii(GP) model of a Bose-Einstein Condensate(BEC) with non-local s-wave interactions. The non-locality is represented by corrections to the local GP equation. Due to such corrections to the GP equation, there arise corrections to the free energy functional as well. We present here a proof of the exact correspondence between the free energy and the dynamics for typical terms appearing while considering corrections to the GP equation at any order. This non-trivial correspondence can be used to study BECs perturbatively while going beyond the Fermi pseudopotential.
URI:	http://dr.iiserpune.ac.in:8080/xmlui/handle/123456789/3526 https://doi.org/10.1007/s10773-017-3351-5
ISSN:	0020-7748 1572-9575
Appears in Collections:	JOURNAL ARTICLES

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