Removal of excitations of Bose-Einstein condensates by space- and time-modulated potentials

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dc.contributor	Universitat Politècnica de Catalunya. Departament de Física i Enginyeria Nuclear
dc.contributor	Universitat Politècnica de Catalunya. DONLL - Dinàmica no Lineal, Òptica no Lineal i Làsers
dc.contributor.author	Staliunas, Kestutis
dc.date	2011-07-29
dc.identifier.citation	Staliunas, K. Removal of excitations of Bose-Einstein condensates by space- and time-modulated potentials. "Physical review A", 29 Juliol 2011, vol. 84, núm. 1, p. 1-5.
dc.identifier.citation	1050-2947
dc.identifier.citation	10.1103/PhysRevA.84.013626
dc.identifier.uri	http://hdl.handle.net/2117/13295
dc.language.iso	eng
dc.relation	http://pra.aps.org/abstract/PRA/v84/i1/e013626
dc.rights	info:eu-repo/semantics/openAccess
dc.subject	Àrees temàtiques de la UPC::Física::Mecànica quàntica
dc.subject	Bose-Einstein condensation -- Mathematical models.
dc.subject	BEC's
dc.subject	Condensat de Bose-Einstein
dc.title	Removal of excitations of Bose-Einstein condensates by space- and time-modulated potentials
dc.type	info:eu-repo/semantics/publishedVersion
dc.type	info:eu-repo/semantics/article
dc.description.abstract	We propose that periodically in space- and time-modulated potentials (dynamic lattices) can efficiently remove the excited (the high-energy and large momentum) components of the trapped Bose-Einstein condensates (BECs) and, consequently, can result in efficient cleaning of the BECs. We prove the idea by numerically solving the mean-field models (the Schrödinger equation for noninteracting condensates and the Gross-Pitaevskii equation for interacting condensates of repulsive atoms), and we evaluate parameters and conditions for the efficient removal of excitations.
dc.description.abstract	Peer Reviewed

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