Quantum squeezing by a parametric resonance in a SQUID

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dc.creatorOjanen, T.
dc.creatorSalo, J.
dc.date2006-03-27
dc.date.accessioned2026-07-07T07:04:59Z
dc.date.available2026-07-07T07:04:59Z
dc.descriptionWe study rotating squeezed quantum states created by a parametric resonance in an open harmonic system. As a specific realization of the phenomenon we study a mesoscopic SQUID loop where the state preparation procedure is simple in principle and feasible with currently available experimental methods. By solving dynamics and calculating spectral properties we show that quantum fluctuations of SQUID observables can be reduced below their groundstate value. The measurement is introduced by coupling the SQUID to a transmission line carrying the radiation to a secondary measurement device. Besides the theoretical interest, our studies are motivated by an opportunity for a practical quantum noise engineering.
dc.description8 pages, 11 Figs
dc.identifierhttps://arxiv.org/abs/cond-mat/0603709
dc.identifierhttp://arxiv.org/abs/cond-mat/0603709
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/109523
dc.subjectMesoscale and Nanoscale Physics
dc.subjectSuperconductivity
dc.titleQuantum squeezing by a parametric resonance in a SQUID
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