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dc.contributor.author | Mehboudi, Mohammad | es_ES |
dc.contributor.author | Lampo, Aniello | es_ES |
dc.contributor.author | Charalambous, Christos | es_ES |
dc.contributor.author | Correa, Luis A. | es_ES |
dc.contributor.author | Garcia March, Miguel Angel | es_ES |
dc.contributor.author | Lewenstein, Maciej | es_ES |
dc.date.accessioned | 2022-06-01T18:07:22Z | |
dc.date.available | 2022-06-01T18:07:22Z | |
dc.date.issued | 2019-01-24 | es_ES |
dc.identifier.issn | 0031-9007 | es_ES |
dc.identifier.uri | http://hdl.handle.net/10251/183045 | |
dc.description.abstract | [EN] We introduce a novel minimally disturbing method for sub-nK thermometry in a Bose-Einstein condensate (BEC). Our technique is based on the Bose polaron model; namely, an impurity embedded in the BEC acts as the thermometer. We propose to detect temperature fluctuations from measurements of the position and momentum of the impurity. Crucially, these cause minimal backaction on the BEC and hence, realize a nondemolition temperature measurement. Following the paradigm of the emerging field of quantum thermometry, we combine tools from quantum parameter estimation and the theory of open quantum systems to solve the problem in full generality. We thus avoid any simplification, such as demanding thermalization of the impurity atoms, or imposing weak dissipative interactions with the BEC. Our method is illustrated with realistic experimental parameters common in many labs, thus showing that it can compete with state-of-the-art destructive techniques, even when the estimates are built from the outcomes of accessible (suboptimal) quadrature measurements. | es_ES |
dc.description.sponsorship | We acknowledge fruitful discussions with A. Sanpera and A. Acin. This work has been funded by the Spanish Ministry MINECO (Project No. QIBEQI FIS2016-80773-P, National Plan 15 Grants FISICATEAMO No. FIS2016-79508-P, SEVERO OCHOA and No. SEV-2015-0522, FPI), the European Social Fund, Fundacio Privada Cellex, Generalitat de Catalunya (AGAUR Grant No. 2017 SGR 1341, No. SGR 1381 and CERCA/Program), ERC AdG OSYRIS, EU FETPRO QUIC, the National Science Centre, Poland-Symfonia Grant No. 2016/20/W/ST4/00314, ERC StG GQCOP No. 637352, the COST Action No. MP1403: "Nanoscale quantum optics," and the US National Science Foundation under Grant No. NSF PHY-1748958. Financial support through a scholarship from Programa Masters d'Excel.lencia (Fundacio Catalunya-La Pedrera) is appreciated. L. A. C. thanks the Kavli Institute for Theoretical Physics for their warm hospitality during the program " Thermodynamics of quantum systems: Measurement, engines, and control." | es_ES |
dc.language | Inglés | es_ES |
dc.publisher | American Physical Society | es_ES |
dc.relation.ispartof | Physical Review Letters | es_ES |
dc.rights | Reserva de todos los derechos | es_ES |
dc.subject | Quantum sensing | es_ES |
dc.subject | Quantum technologies | es_ES |
dc.subject | Open quantum systems | es_ES |
dc.subject | Bose polaron | es_ES |
dc.subject.classification | MATEMATICA APLICADA | es_ES |
dc.title | Using polarons for sub-nk quantum nondemolition thermometry in a bose-einstein condensate | es_ES |
dc.type | Artículo | es_ES |
dc.identifier.doi | 10.1103/PhysRevLett.122.030403 | es_ES |
dc.relation.projectID | info:eu-repo/grantAgreement/EC/H2020/637352/EU | es_ES |
dc.relation.projectID | info:eu-repo/grantAgreement/GC//2017 SGR 1341/ | es_ES |
dc.relation.projectID | info:eu-repo/grantAgreement/MINECO//SEV-2015-0522/ES/AGR-INSTITUTO DE CIENCIAS FOTONICAS/ | es_ES |
dc.relation.projectID | info:eu-repo/grantAgreement/COST//MP1403/ | es_ES |
dc.relation.projectID | info:eu-repo/grantAgreement/NSF//PHY-1748958/ | es_ES |
dc.relation.projectID | info:eu-repo/grantAgreement/MINECO//FIS2016-79508-P//Fronteras de la física teórica atómica, molecular y óptica/ | es_ES |
dc.relation.projectID | info:eu-repo/grantAgreement/NCN//2016%2F20%2FW%2FST4%2F00314//Symfonia/ | es_ES |
dc.relation.projectID | info:eu-repo/grantAgreement/MINECO//QIBEQI FIS2016-80773-P/ | es_ES |
dc.relation.projectID | info:eu-repo/grantAgreement/GC//SGR 1381/ | es_ES |
dc.rights.accessRights | Abierto | es_ES |
dc.contributor.affiliation | Universitat Politècnica de València. Departamento de Matemática Aplicada - Departament de Matemàtica Aplicada | es_ES |
dc.description.bibliographicCitation | Mehboudi, M.; Lampo, A.; Charalambous, C.; Correa, LA.; Garcia March, MA.; Lewenstein, M. (2019). Using polarons for sub-nk quantum nondemolition thermometry in a bose-einstein condensate. Physical Review Letters. 122(3):1-6. https://doi.org/10.1103/PhysRevLett.122.030403 | es_ES |
dc.description.accrualMethod | S | es_ES |
dc.relation.publisherversion | https://doi.org/10.1103/PhysRevLett.122.030403 | es_ES |
dc.description.upvformatpinicio | 1 | es_ES |
dc.description.upvformatpfin | 6 | es_ES |
dc.type.version | info:eu-repo/semantics/publishedVersion | es_ES |
dc.description.volume | 122 | es_ES |
dc.description.issue | 3 | es_ES |
dc.identifier.pmid | 30735411 | es_ES |
dc.relation.pasarela | S\413471 | es_ES |
dc.contributor.funder | European Commission | es_ES |
dc.contributor.funder | Generalitat de Catalunya | es_ES |
dc.contributor.funder | National Science Centre, Polonia | es_ES |
dc.contributor.funder | National Science Foundation, EEUU | es_ES |
dc.contributor.funder | Ministerio de Economía y Competitividad | es_ES |
dc.contributor.funder | European Cooperation in Science and Technology | es_ES |