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arxiv: 1506.09001 · v2 · pith:4RM6KDACnew · submitted 2015-06-30 · 🪐 quant-ph · cond-mat.mes-hall· cond-mat.supr-con

Generation of quantum steering and interferometric power in the Dynamical Casimir Effect

classification 🪐 quant-ph cond-mat.mes-hallcond-mat.supr-con
keywords quantuminterferometricpowersteeringcasimirdynamicaleffectgeneration
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We analyse the role of the dynamical Casimir effect as a resource for quantum technologies, such as quantum cryptography and quantum metrology. In particular, we consider the generation of Einstein-Podolsky-Rosen steering and Gaussian interferometric power, two useful forms of asymmetric quantum correlations, in superconducting waveguides modulated by superconducting quantum interferometric devices. We show that, while a certain value of squeezing is required to overcome thermal noise and give rise to steering, any non-zero squeezing produces interferometric power which in fact increases with thermal noise.

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