Dynamics of Open Bosonic Quantum Systems in Coherent State Representation
arXiv:quant-ph/0601063 · doi:10.1103/PhysRevA.73.013803
Abstract
We consider the problem of decoherence and relaxation of open bosonic quantum systems from a perspective alternative to the standard master equation or quantum trajectories approaches. Our method is based on the dynamics of expectation values of observables evaluated in a coherent state representation. We examine a model of a quantum nonlinear oscillator with a density-density interaction with a collection of environmental oscillators at finite temperature. We derive the exact solution for dynamics of observables and demonstrate a consistent perturbation approach.
arXiv comment7 pages
References in corpus (17)
- Decoherence, einselection, and the quantum origins of the classical
- Collapse and Revival of the Matter Wave Field of a Bose-Einstein Condensate
- Josephson Junction Arrays with Bose-Einstein Condensates
- Nonlinear Micromechanical Casimir Oscillator
- Continuous quantum measurement and Itô formalism
- Measurements continuous in time and a posteriori states in quantum
- Decoherence from spin environments
- Gaussian Decoherence from Random Spin Environments
- Continuous Quantum Measurement and the Emergence of Classical Chaos
- Quantum state diffusion, localization and computation
- Decoherence in Bose-Einstein Condensates: towards Bigger and Better Schroedinger Cats
- Predictability sieve, pointer states, and the classicality of quantum trajectories
- Unconditional Pointer States from Conditional Master Equations
- Conditional quantum dynamics with several observers
- Survival of quantum effects for observables after decoherence
- Classical Robustness of Quantum Unravellings
- Asymptotic Theory for Quantum Bose Systems with Many Degrees of Freedom
Cited by in corpus (6)
- Interaction-induced impeding of decoherence and anomalous diffusion
- Decoherence and Thermalization
- Resonance Theory of Decoherence and Thermalization
- Equilibration of quasi-isolated quantum systems
- Decoherence and equilibration under nondestructive measurements
- Resonant Perturbation Theory of Decoherence and Relaxation of Quantum Bits