Colloquium: Non-Markovian dynamics in open quantum systems
The dynamical behavior of open quantum systems plays a key role in many applications of
quantum mechanics, examples ranging from fundamental problems, such as the …
quantum mechanics, examples ranging from fundamental problems, such as the …
Non-Markovian quantum dynamics: What does it mean?
During the last ten years, the studies on non-Markovian open system dynamics has become
increasingly popular and having contributions from diverse sets of research communities …
increasingly popular and having contributions from diverse sets of research communities …
Open-system approach to nonequilibrium quantum thermodynamics at arbitrary coupling
A Colla, HP Breuer - Physical Review A, 2022 - APS
We develop a general theory describing the thermodynamical behavior of open quantum
systems coupled to thermal baths beyond perturbation theory. Our approach is based on the …
systems coupled to thermal baths beyond perturbation theory. Our approach is based on the …
Non-Markovianity measure based on the relative entropy of coherence in an extended space
Z He, HS Zeng, Y Li, Q Wang, C Yao - Physical Review A, 2017 - APS
An alternative non-Markovianity measure for open quantum processes is proposed, which
takes advantage of the nonincreasing property of relative entropy of coherence under the …
takes advantage of the nonincreasing property of relative entropy of coherence under the …
[HTML][HTML] Eternal non-Markovianity: from random unitary to Markov chain realisations
The theoretical description of quantum dynamics in an intriguing way does not necessarily
imply the underlying dynamics is indeed intriguing. Here we show how a known very …
imply the underlying dynamics is indeed intriguing. Here we show how a known very …
Entropic and trace-distance-based measures of non-Markovianity
We analyze and compare different measures for the degree of non-Markovianity in the
dynamics of open quantum systems. These measures are based on the distinguishability of …
dynamics of open quantum systems. These measures are based on the distinguishability of …
Entropic bounds on information backflow
In the dynamics of open quantum systems, the backflow of information to the reduced system
under study has been suggested as the actual physical mechanism inducing memory and …
under study has been suggested as the actual physical mechanism inducing memory and …
Generalized master equations leading to completely positive dynamics
B Vacchini - Physical Review Letters, 2016 - APS
We provide a general construction of quantum generalized master equations with a memory
kernel leading to well-defined, that is, completely positive and trace-preserving, time …
kernel leading to well-defined, that is, completely positive and trace-preserving, time …
Thermodynamic roles of quantum environments: from heat baths to work reservoirs
A Colla, HP Breuer - Quantum Science and Technology, 2024 - iopscience.iop.org
Environments in quantum thermodynamics usually take the role of heat baths. These baths
are Markovian, weakly coupled to the system, and initialized in a thermal state. Whenever …
are Markovian, weakly coupled to the system, and initialized in a thermal state. Whenever …
Optomechanical second-order sidebands and group delays in a spinning resonator with a parametric amplifier and non-Markovian effects
W Zhang, HZ Shen - Physical Review A, 2024 - APS
We investigate the generation of the frequency components at the second-order sidebands
based on a spinning resonator containing a degenerate optical parametric amplifier (OPA) …
based on a spinning resonator containing a degenerate optical parametric amplifier (OPA) …