Classicalization times of parametrically amplified ``Schrödinger cat states coupled to phase-sensitive reservoirs

DOI10.1016/j.physleta.2011.08.058zbMath1252.81073OpenAlexW2040764089MaRDI QIDQ691958

M. C. Fu

Publication date: 4 December 2012

Published in: Physics Letters. A (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/j.physleta.2011.08.058

zbMATH Keywords

phase-sensitive reservoirsquantum-classical transitioneven/odd coherent statesFokker-Planck equation propagatornegativity of the Wigner functionquantum degenerate parametric amplifier

Mathematics Subject Classification ID

Quantum optics (81V80) Coherent states (81R30) Phase-space methods including Wigner distributions, etc. applied to problems in quantum mechanics (81S30) Irreversible thermodynamics, including Onsager-Machlup theory (82C35)

Related Items (4)

Controlling the non-classical properties of a hybrid Cooper pair box system and an intensity dependent nanomechanical resonator ⋮ Decoherence of odd compass states in the phase-sensitive amplifying/dissipating environment ⋮ Effects of entanglement in an ideal optical amplifier ⋮ Obtaining phase-optimized states from superpositions of coherent states in phase-sensitive attenuating/amplifying reservoirs

Cites Work

• Wigner functions and statistical moments of quantum states with definite parity
• Introduction to quantum noise, measurement, and amplification
• Quantum logical states and operators for Josephson-like systems
• Non-classical Properties of Even and Odd Coherent States
• Squeezed Quantum Fluctuations and Noise Limits in Amplifiers and Attenuators
• Decoherence of multicomponent symmetrical superpositions of displaced quantum states
• The Formulation of Quantum Mechanics in terms of Ensemble in Phase Space
• On the Theory of the Brownian Motion II

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