Frontiers of quantum physics

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Nonclassicality of optomechanical devices in experimentally realistic operating regimes

Physical Review A - Atomic, Molecular, and Optical Physics 88:1 (2013)

Authors:

G Vacanti, M Paternostro, GM Palma, MS Kim, V Vedral

Abstract:

Enforcing a nonclassical behavior in mesoscopic systems is important for the study of the boundaries between the quantum and the classical world. Recent experiments have shown that optomechanical devices are promising candidates to pursue such investigations. Here we consider two different setups where the indirect coupling between a three-level atom and the movable mirrors of a cavity is achieved. The resulting dynamics is able to conditionally prepare a nonclassical state of the mirrors by means of projective measurements operated over a pure state of the atomic system. The nonclassical features are persistent against incoherent thermal preparation of the mechanical systems and their dissipative dynamics. © 2013 American Physical Society.
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Superadiabatic dynamics in open quantum systems

(2013)

Authors:

G Vacanti, R Fazio, S Montangero, GM Palma, M Paternostro, V Vedral
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Work and Quantum Phase Transitions: Is there Quantum Latency?

(2013)

Authors:

E Mascarenhas, H Braganca, R Dorner, M Franca Santos, V Vedral, K Modi, J Goold
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Particle exchange in post-quantum theories

(2013)

Authors:

Oscar CO Dahlsten, Andrew JP Garner, Jayne Thompson, Mile Gu, Vlatko Vedral
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Quantum information: Are we nearly there yet?

New Scientist 219:2924 (2013) 8

Abstract:

Living systems might be employing quantum information processing. If we can learn their secrets, personal quantum computers no longer seem so fanciful an idea. © 2013 Reed Business Information Ltd, England.
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