Quantum interferometric protocol using spin-dependent displacements

dc.authorid0000-0001-8025-2141
dc.contributor.authorCelik, Necati
dc.contributor.authorOzen, Songul Akbulut
dc.contributor.authorEngin, Burhan
dc.date.accessioned2026-02-08T15:15:40Z
dc.date.available2026-02-08T15:15:40Z
dc.date.issued2025
dc.departmentBursa Teknik Üniversitesi
dc.description.abstractWe propose a quantum interferometric protocol that leverages spin-dependent spatial displacements to enable high-precision parameter estimation beyond classical limits. By inducing a unitary coupling between a particle's spin degree of freedom and its momentum, the protocol generates entanglement between spin states and spatial positions, resulting in coherent spatial superpositions. Interferometric reconstruction of the resulting phase differences enables Heisenberg-limited sensitivity for parameters encoded in the spin Hamiltonian. As a concrete application, we demonstrate the protocol's effectiveness in magnetic field sensing, where the field is transduced into spatial interference fringes. Quantum Fisher information analysis confirms sub-shot-noise scaling, and the protocol's feasibility is discussed for physical platforms including ultracold atoms and nitrogen-vacancy centers. Our framework provides a versatile approach to quantum metrology with potential extensions to multiparameter sensing and gravitational wave detection.
dc.identifier.doi10.1103/hw3x-1lrm
dc.identifier.issn2469-9926
dc.identifier.issn2469-9934
dc.identifier.issue4
dc.identifier.scopus2-s2.0-105019766030
dc.identifier.scopusqualityQ2
dc.identifier.urihttps://doi.org/10.1103/hw3x-1lrm
dc.identifier.urihttps://hdl.handle.net/20.500.12885/5878
dc.identifier.volume112
dc.identifier.wosWOS:001601044700001
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherAmer Physical Soc
dc.relation.ispartofPhysical Review A
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzWOS_KA_20260207
dc.subjectMagnetic-Resonance
dc.subjectUltracold Atoms
dc.titleQuantum interferometric protocol using spin-dependent displacements
dc.typeArticle

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