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9 papers · 2 filters
A multi-site variational master equation approach to dissipative energy transfer
Felix A. Pollock, Dara P. S. McCutcheon, Brendon W. Lovett +2
Unitary transformations can allow one to study open quantum systems in situations for which standard, weak-coupling type approximations are not valid. We develop here an extension…
Selective and Efficient Quantum State Tomography and its Application to Quantum Process Tomography
Ariel Bendersky, Juan Pablo Paz
We present a method for quantum state tomography that enables the efficient estimation, with fixed precision, of any of the matrix elements of the density matrix of a state, provid…
Model of the optical emission of a driven semiconductor quantum dot: phonon-enhanced coherent scattering and off-resonant sideband narrowing
Dara P. S. McCutcheon, Ahsan Nazir
We study the crucial role played by the solid-state environment in determining the photon emission characteristics of a driven quantum dot. For resonant driving, we predict a phono…
Dynamics of an Acoustic Black Hole as an Open Quantum System
Fernando C. Lombardo, Gustavo J. Turiaci
We studied the process of decoherence induced by the presence of an environment in acoustic black holes, using the open quantum system approach, thus extending previous work. We fo…
Dynamics and thermodynamics of linear quantum open systems
Esteban A. Martinez, Juan Pablo Paz
We analyze the behavior of a network of quantum oscillators coupled with a number of external environments. We show that the dynamics is such that the quantum state of the network…
Non-Markovian Quantum Dynamics and Classical Chaos
I. Garcia-Mata, C. Pineda, D. A. Wisniacki
We study the influence of a chaotic environment in the evolution of an open quantum system. We show that there is an inverse relation between chaos and non-Markovianity. In particu…