Shortcut to adiabaticity in spinor condensates

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RECERCAT Home > Universitat de Barcelona > Física Quàntica i Astrofísica > Articles publicats en revistes (Física Quàntica i Astrofísica) > View document

To access the full text documents, please follow this link: http://hdl.handle.net/2445/128469

dc.contributor	Universitat de Barcelona
dc.contributor.author	Sala, Arnau
dc.contributor.author	López Núñez, David
dc.contributor.author	Martorell Domenech, Juan
dc.contributor.author	Sarlo, Luigi De
dc.contributor.author	Zibold, Tilman
dc.contributor.author	Gerbier, Fabrice
dc.contributor.author	Julia-Diaz, B.
dc.contributor.author	Polls Martí, Artur
dc.date	2019-02-19T15:44:59Z
dc.date	2019-02-19T15:44:59Z
dc.date	2016-10-12
dc.date	2019-02-19T15:44:59Z
dc.identifier.citation	2469-9926
dc.identifier.citation	667660
dc.identifier.uri	http://hdl.handle.net/2445/128469
dc.format	1 p.
dc.format	application/pdf
dc.language.iso	eng
dc.publisher	American Physical Society
dc.relation	Reproducció del document publicat a: https://doi.org/10.1103/PhysRevA.94.043623
dc.relation	Physical Review A, 2016, vol. 94, num. 4, p. 043623-1-043623-9
dc.relation	https://doi.org/10.1103/PhysRevA.94.043623
dc.relation	info:eu-repo/grantAgreement/EC/FP7/236240/EU//SCOPE
dc.rights	(c) American Physical Society, 2016
dc.rights	info:eu-repo/semantics/openAccess
dc.subject	Condensació de Bose-Einstein
dc.subject	Àtoms
dc.subject	Bose-Einstein condensation
dc.subject	Atoms
dc.title	Shortcut to adiabaticity in spinor condensates
dc.type	info:eu-repo/semantics/article
dc.type	info:eu-repo/semantics/publishedVersion
dc.description.abstract	We devise a method to shortcut the adiabatic evolution of a spin-1 Bose gas with an external magnetic field as the control parameter. An initial many-body state with almost all bosons populating the Zeeman sublevel m = 0 is evolved to a final state very close to a macroscopic spin-singlet condensate, a fragmented state with three macroscopically occupied Zeeman states. The shortcut protocol, obtained by an approximate mapping to a harmonic oscillator Hamiltonian, is compared to linear and exponential variations of the control parameter. We find a dramatic speedup of the dynamics when using the shortcut protocol.

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