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Wigner-function theory and decoherence of the quantum-injected optical parametric amplifier
Nicolo' Spagnolo, Chiara Vitelli, Tiziano De Angelis +2
Recent experimental results demonstrated the generation of a quantum superpositon (MQS), involving a number of photons in excess of 5x10^4, which showed a high resilience to losses…
Anomalous lack of decoherence of the Macroscopic Quantum Superpositions based on phase-covariant Quantum Cloning
Francesco De Martini, Fabio Sciarrino, Nicolo' Spagnolo
We show that all Macroscopic Quantum Superpositions (MQS) based on phase-covariant quantum cloning are characterized by an anomalous high resilence to the de-coherence processes. T…
Decoherence, Einselection and Classicality of a Macroscopic Quantum Superposition generated by Quantum Cloning
Francesco De Martini, Fabio Sciarrino, Nicolo' Spagnolo
The high resilience to de-coherence shown by a recently discovered Macroscopic Quantum Superposition (MQS) generated by a quantum injected optical parametric amplifier (QI-OPA) and…