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Engineering fast and stable splitting of matter waves

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dc.affiliation.dptoUC3M. Departamento de Físicaes
dc.affiliation.grupoinvUC3M. Grupo de Investigación: Materiales Nano-Estructurados y Multifuncionaleses
dc.contributor.authorTorrontegui Muñoz, Erik
dc.contributor.authorMartínez-Garaot, Sofía
dc.contributor.authorModugno, Michelle
dc.contributor.authorChen, Xi
dc.contributor.authorMuga, Juan Gonzalo
dc.date.accessioned2021-03-15T11:50:29Z
dc.date.available2021-03-15T11:50:29Z
dc.date.issued2013-03
dc.description.abstractWhen attempting to split a coherent noninteracting atomic cloud by bifurcating the initial trap into two well-separated wells, slow adiabatic following is unstable with respect to any slight trap asymmetry, and the matter wave "collapses" to the well with the lowest energy. A generic fast chopping splits the wave but it also excites it. Shortcuts to adiabaticity engineered to speed up the unperturbed adiabatic process through nonadiabatic transients provide, instead, quiet and robust balanced splitting. For a Bose-Einstein condensate in the mean-field limit, the interatomic interaction makes the splitting, adiabatic or via shortcuts, more stable with respect to trap asymmetry. Simple formulas are provided to distinguish different regimes.en
dc.description.sponsorshipWe are grateful to A. Aspect, B. Julia-Díaz, J. Martorell, D. Meschede, J. Mompart, and A. Polls for discussions. We acknowledge funding by Projects No. IT472-10, No. FIS2009-12773-C02-01, and No. FIS2012-36673-C03-01 and the UPV/EHU program UFI 11/55. X.C. thanks the National Natural Science Foundation of China (Grant No. 61176118) and the Shanghai Rising-Star Program (Grant No. 12QH1400800). E.T. and S.M.-G. acknowledge support through UPV/EHU fellowships.en
dc.format.extent6
dc.identifier.bibliographicCitationTorrontegui, E., Martínez-Garaot, S., Modugno, M., Chen, X., Muga, J. G. (2013). Engineering fast and stable splitting of matter waves. Physical Review A, 87(3).en
dc.identifier.doihttp://dx.doi.org/10.1103/PhysRevA.87.033630
dc.identifier.issn1050-2947
dc.identifier.publicationfirstpage033630-1
dc.identifier.publicationissue3
dc.identifier.publicationlastpage033630-6
dc.identifier.publicationtitlePhysical Review Aen
dc.identifier.publicationvolume87
dc.identifier.urihttps://hdl.handle.net/10016/32140
dc.identifier.uxxiAR/0000026563
dc.language.isoeng
dc.publisherAmerican Physical Societyen
dc.rights©2013 American Physical Societyen
dc.rights.accessRightsopen accessen
dc.subject.ecienciaFísicaes
dc.titleEngineering fast and stable splitting of matter wavesen
dc.typeresearch article*
dc.type.hasVersionVoR*
dspace.entity.typePublication
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