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11 papers · 1 filter
Simultaneous cooling and entanglement of mechanical modes of a micromirror in an optical cavity
Claudiu Genes, David Vitali, Paolo Tombesi
Laser cooling of a mechanical mode of a resonator by the radiation pressure of a detuned optical cavity mode has been recently demonstrated by various groups in different experimen…
Metastability Driven by Soft Quantum Fluctuation Modes
Marco Zoli
The semiclassical Euclidean path integral method is applied to compute the low temperature quantum decay rate for a particle placed in the metastable minimum of a cubic potential i…
Using Quantum Mechanics to Cope with Liars
Stefano Mancini, Lorenzo Maccone
We propose the use of a quantum algorithm to deal with the problem of searching with errors in the framework of two-person games. Specifically, we present a solution to the Ulam's…
Distributed quantum computation via optical fibres
Alessio Serafini, Stefano Mancini, Sougato Bose
We investigate the possibility of realising effective quantum gates between two atoms in distant cavities coupled by an optical fibre. We show that highly reliable swap and entangl…
Quantum Phase Gate Operation Based on Nonlinear Optics: Full Quantum Analysis
C. Ottaviani, S. Rebic, D. Vitali +1
We present a full quantum treatment of a five-level atomic system coupled to two quantum and two classical light fields. The two quantum fields undergo a cross-phase modulation ind…
Continuous variable encoding by ponderomotive interaction
Stefano Pirandola, Stefano Mancini, David Vitali +1
Recently it has been proposed to construct quantum error-correcting codes that embed a finite-dimensional Hilbert space in the infinite-dimensional Hilbert space of a system descri…