Information-theoretic and Wigner-function approaches to the nonclassical state dynamics for the variable-frequency harmonic oscillator

DOI10.1103/PhysRevLett.70.434zbMath1051.81509OpenAlexW2030502220WikidataQ74536968 ScholiaQ74536968MaRDI QIDQ4492187

A. N. Proto, José I. Aliaga, G. Crespo

Publication date: 16 July 2000

Published in: Physical Review Letters (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1103/physrevlett.70.434

Mathematics Subject Classification ID

Closed and approximate solutions to the Schrödinger, Dirac, Klein-Gordon and other equations of quantum mechanics (81Q05) Coherent states (81R30) Semiclassical techniques, including WKB and Maslov methods applied to problems in quantum theory (81Q20)

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Time-dependent formulation of the linear unitary transformation and the time evolution of general time-dependent quadratic Hamiltonian systems ⋮ TIME-DEPENDENT WIGNER DISTRIBUTION FUNCTION EMPLOYED IN SQUEEZED SCHRÖDINGER CAT STATES: |Ψ(t)〉 = N^-1/2(|β〉+e^iϕ|-β〉) ⋮ Exact quantum-statistical dynamics of time-dependent generalized oscillators

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