Structure of uniformly continuous quantum Markov semigroups

J Deschamps, F Fagnola, E Sasso… - … in Mathematical Physics, 2016 - World Scientific
The structure of uniformly continuous quantum Markov semigroups with atomic decoherence-
free subalgebra is established providing a natural decomposition of a Markovian open …

Uniqueness of steady states of Gorini-Kossakowski-Sudarshan-Lindblad equations: A simple proof

H Yoshida - Physical Review A, 2024 - APS
We present a simple proof of a sufficient condition for the uniqueness of nonequilibrium
steady states of Gorini-Kossakowski-Sudarshan-Lindblad equations. We demonstrate the …

Dissipation-driven quantum phase transitions and symmetry breaking

J Hannukainen, J Larson - Physical Review A, 2018 - APS
By considering a solvable driven-dissipative quantum model, we demonstrate that
continuous phase transitions in dissipative systems may occur without an accompanying …

On the existence of stationary states for quantum dynamical semigroups

F Fagnola, R Rebolledo - Journal of Mathematical Physics, 2001 - pubs.aip.org
Quantum dynamical semigroups QDS appeared for the first time in the physical literature
during the 1970s motivated by studies on the evolution of open systems. This class of …

Criteria for Davies irreducibility of Markovian quantum dynamics

Y Zhang, T Barthel - Journal of Physics A: Mathematical and …, 2024 - iopscience.iop.org
The dynamics of Markovian open quantum systems are described by Lindblad master
equations, generating a quantum dynamical semigroup. An important concept for such …

Gaussian quantum Markov semigroups on a one-mode fock space: Irreducibility and normal invariant states

J Agredo, F Fagnola, D Poletti - Open Systems & Information …, 2021 - World Scientific
We consider the most general Gaussian quantum Markov semigroup on a one-mode Fock
space, discuss its construction from the generalized GKSL representation of the generator …

The decoherence-free subalgebra of a quantum Markov semigroup with unbounded generator

A Dhahri, F Fagnola, R Rebolledo - Infinite Dimensional Analysis …, 2010 - World Scientific
Let be a quantum Markov semigroup on with a faithful normal invariant state ρ. The
decoherence-free subalgebra of is the biggest subalgebra of where the completely positive …

Transience and recurrence of quantum Markov semigroups

F Fagnola, R Rebolledo - Probability theory and related fields, 2003 - Springer
This article introduces a concept of transience and recurrence for a Quantum Markov
Semigroup and explores its main properties via the associated potential. We show that an …

Decoherence-free algebras in quantum dynamics

D Amato, P Facchi, A Konderak - arXiv preprint arXiv:2403.12926, 2024 - arxiv.org
In this Article we analyze the algebraic properties of the asymptotic dynamics of finite-
dimensional open quantum systems in the Heisenberg picture. In particular, a natural …

Irreducible decompositions and stationary states of quantum channels

R Carbone, Y Pautrat - Reports on Mathematical Physics, 2016 - Elsevier
For a quantum channel (completely positive, trace-preserving map), we prove a
generalization to the infinite-dimensional case of a result by Baumgartner and Narnhofer [3] …