Dissipaton dynamics theory versus quantum master equations
Sign Up to like & getrecommendations! Published in 2018 at "Chemical Physics"
DOI: 10.1016/j.chemphys.2018.08.046
Abstract: Abstract In this review article we present first a comprehensive account on the recently developed the dissipaton-equation-of-motion (DEOM) theory. This is a statistical quasi-particle theory for open quantum systems. It treats not only the quantum… read more here.
Keywords: master equations; quantum master; dissipaton dynamics; dynamics theory ... See more keywords
Tensor-Train Thermo-Field Memory Kernels for Generalized Quantum Master Equations.
Sign Up to like & getrecommendations! Published in 2022 at "Journal of chemical theory and computation"
DOI: 10.1021/acs.jctc.2c00892
Abstract: The generalized quantum master equation (GQME) approach provides a rigorous framework for deriving the exact equation of motion for any subset of electronic reduced density matrix elements (e.g., the diagonal elements). In the context of… read more here.
Keywords: tensor train; train thermo; memory; memory kernels ... See more keywords
Simulating Open Quantum System Dynamics on NISQ Computers with Generalized Quantum Master Equations.
Sign Up to like & getrecommendations! Published in 2023 at "Journal of chemical theory and computation"
DOI: 10.1021/acs.jctc.3c00316
Abstract: We present a quantum algorithm based on the generalized quantum master equation (GQME) approach to simulate open quantum system dynamics on noisy intermediate-scale quantum (NISQ) computers. This approach overcomes the limitations of the Lindblad equation,… read more here.
Keywords: system; open quantum; quantum; nisq computers ... See more keywords
Linear response theory for open systems: Quantum master equation approach
Sign Up to like & getrecommendations! Published in 2017 at "Physical Review A"
DOI: 10.1103/physreva.95.022126
Abstract: A linear response theory for open quantum systems is formulated by means of the time-local and time-nonlocal quantum master equations, where a relevant quantum system interacts with a thermal reservoir as well as with an… read more here.
Keywords: linear response; response theory; quantum master; response ... See more keywords
Quantum master equations for entangled qubit environments
Sign Up to like & getrecommendations! Published in 2018 at "Physical Review A"
DOI: 10.1103/physreva.98.062104
Abstract: We study the Markovian dynamics of a collection of n quantum systems coupled to an irreversible environmental channel consisting of a stream of n entangled qubits. Within the framework of repeated quantum interactions, we derive… read more here.
Keywords: qubit environments; equations entangled; master equations; quantum master ... See more keywords
From nonequilibrium Green's functions to quantum master equations for the density matrix and out-of-time-order correlators: Steady-state and adiabatic dynamics
Sign Up to like & getrecommendations! Published in 2021 at "Physical Review B"
DOI: 10.1103/physrevb.104.035425
Abstract: Bibek Bhandari, 2 Rosario Fazio, 4 Fabio Taddei, and Liliana Arrachea NEST, Scuola Normale Superiore and Istituto Nanoscienze-CNR, I-56126 Pisa, Italy Department of Physics and Astronomy, University of Rochester, Rochester, NY 14627, USA ICTP, Strada… read more here.
Keywords: nonequilibrium green; quantum master; master equations; equations density ... See more keywords
Perturbative steady states of completely positive quantum master equations.
Sign Up to like & getrecommendations! Published in 2022 at "Physical review. E"
DOI: 10.1103/physreve.106.054145
Abstract: The Lindblad form guarantees complete positivity of a Markovian quantum master equation (QME). However, its microscopic derivation for a quantum system weakly interacting with a thermal bath requires several approximations, which may result in inaccuracies in… read more here.
Keywords: state; lindbladian qmes; steady states; mfg state ... See more keywords
Memory-effect-preserving quantum master equation approach to noise spectrum of transport current.
Sign Up to like & getrecommendations! Published in 2022 at "Physical review. E"
DOI: 10.1103/physreve.106.064130
Abstract: Within the time-nonlocal quantum master equation description, we develop an efficient method for calculating the noise spectrum of transport current through interacting mesoscopic systems. By introducing proper current-related density operators, we propose a practical and very… read more here.
Keywords: noise spectrum; transport; quantum master; equation ... See more keywords
Canonically Consistent Quantum Master Equation.
Sign Up to like & getrecommendations! Published in 2022 at "Physical review letters"
DOI: 10.1103/physrevlett.129.200403
Abstract: We put forth a new class of quantum master equations that correctly reproduce the asymptotic state of an open quantum system beyond the infinitesimally weak system-bath coupling limit. Our method is based on incorporating the… read more here.
Keywords: quantum; master equation; master; canonically consistent ... See more keywords
Physical quantities and arbitrariness in resolving quantum master equation
Sign Up to like & getrecommendations! Published in 2017 at "Modern Physics Letters A"
DOI: 10.1142/s0217732317500687
Abstract: By proceeding with the idea that the presence of physical (BRST invariant) extra factors in the path integral is equivalent to taking into account explicitly the arbitrariness in resolving the quantum master equation, we consider… read more here.
Keywords: resolving quantum; master equation; quantum master; arbitrariness resolving ... See more keywords