Spin-Mixing Interferometry with Bose-Einstein Condensates

Year: 2015

Authors: Gabbrielli M., Pezzè L., Smerzi A.

Autors Affiliation: Univ Florence, Dipartimento Fis & Astron, I-50019 Sesto Fiorentino, Italy;‎ CNR, INO, QSTAR, I-50125 Florence, Italy; LENS, I-50125 Florence, Italy

Abstract: Unstable spinor Bose-Einstein condensates are ideal candidates to create nonlinear three-mode interferometers. Our analysis goes beyond the standard SU(1,1) parametric approach and therefore provides the regime of parameters where sub-shot-noise sensitivities can be reached with respect to the input total average number of particles. Decoherence due to particle losses and finite detection efficiency are also considered.

Journal/Review: PHYSICAL REVIEW LETTERS

Volume: 115 (16)      Pages from: 163002-1  to: 163002-5

KeyWords: COHERENT STATES; QUANTUM; ENTANGLEMENT; LIMIT; OPTICS; SU(2)
DOI: 10.1103/PhysRevLett.115.163002

Citations: 62
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