Quantum evolution in disordered transport
arXiv:1702.01902 · doi:10.1103/PhysRevA.96.022135
Abstract
We analyze the propagation of quantum states in the presence of weak disorder. In particular, we investigate the reliable transmittance of quantum states, as potential carriers of quantum information, through disorder-perturbed waveguides. We quantify wave-packet distortion, backscattering, and disorder-induced dephasing, which all act detrimentally on transport, and identify conditions for reliable transmission. Our analysis relies on the treatment of the nonequilibrium dynamics of ensemble-averaged quantum states in terms of quantum master equations.
7 pages
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Cited by in corpus (11)
- Simulating Open Quantum Systems with Hamiltonian Ensembles and the Nonclassicality of the Dynamics
- Quantifying the nonclassicality of pure dephasing
- Lifetime of flatband states
- Disorder-dressed quantum evolution
- Disorder-robust entanglement transport
- Disorder-induced dephasing in backscattering-free quantum transport
- Robust quantum control with disorder-dressed evolution
- On the classicality of quantum dephasing processes
- Helical transport in coupled resonator waveguides
- Effects of symmetry breaking of the structurally-disordered Hamiltonian ensembles on the anisotropic decoherence of qubits
- Non-perturbative dynamics of flat-band systems with correlated disorder