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Few-fermion thermometry

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dc.abstract.enPotential realization of a quantum thermometer operating in the nanokelvin regime, formed by a few-fermionic mixture confined in a one-dimensional harmonic trap, is proposed. Thermal states of the system are studied theoretically from the point of view of fundamental sensitivity to temperature changes. It is pointed out that the ability to control the interaction strength in such systems allows obtaining high-temperature sensitivity in the regime where the temperature is much lower than the characteristic temperature scale determined by a harmonic confinement. This sensitivity is very close to the fundamental bound that involves optimal engineering of level separations. The performance of practical measurement schemes and the possible experimental coupling of the thermometer to the probe are discussed.
dc.affiliationUniwersytet Warszawski
dc.contributor.authorDemkowicz-Dobrzański, Rafał
dc.contributor.authorPłodzień, Marcin
dc.contributor.authorSowiński, Tomasz
dc.date.accessioned2024-01-25T00:40:08Z
dc.date.available2024-01-25T00:40:08Z
dc.date.issued2018
dc.description.financeNie dotyczy
dc.description.number6
dc.description.volume97
dc.identifier.doi10.1103/PHYSREVA.97.063619
dc.identifier.issn2469-9926
dc.identifier.urihttps://repozytorium.uw.edu.pl//handle/item/107078
dc.languageeng
dc.pbn.affiliationphysical sciences
dc.relation.ispartofPhysical Review A
dc.relation.pages063619-1-5
dc.rightsClosedAccess
dc.sciencecloudnosend
dc.titleFew-fermion thermometry
dc.typeJournalArticle
dspace.entity.typePublication