Thermal preparation of an entangled steady state of distant nitrogen-vacancy-center ensembles

Natalia Teper ()
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Natalia Teper: Ulyanovsk State Pedagogical University

The European Physical Journal B: Condensed Matter and Complex Systems, 2020, vol. 93, issue 10, 1-13

Abstract: Abstract Steady state entanglement is studied in the continuous-variable system of two distant nitrogen-vacancy-center ensembles (NVEs) driven by squeezed microwave field. Transmission line resonators and a current-biased Josephson junction are used for transfer of excitations between two NVEs. The circuit is enhanced by Josephson parametric amplifiers (JPAs), which produce squeezed microwave field. Squeezed fields of JPAs are driving force, which provides generation of an entangled steady state of two bosonic modes of NVEs for a wide range of system parameters. Graphical abstract

Keywords: Solid; State; and; Materials (search for similar items in EconPapers)
Date: 2020
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DOI: 10.1140/epjb/e2020-10256-5

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