The survival of quantum coherence in deformed states superposition

Abstract

We study the dissipative dynamics of deformed coherent states superposition. We find that such kind of superposition can be more robust against decoherence than the usual Schrodinger cat states.

5 pages, ReVTeX file, 3 eps figures, to appear in Europhys. Lett

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• Deformed quantum harmonic oscillator with diffusion and dissipation
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• Nonlinear supercoherent states and geometric phases for the supersymmetric harmonic oscillator
• Robustness of deformed catlike states under dissipative decoherence
• Janus-faced tomograms and retrieval of quadrature moments for $q$-deformed states