Results 31 to 40 of about 283,223 (248)
Mathematics, 2023 We consider a well-known, exactly solvable model of an open quantum system with pure decoherence. The aim of this paper is twofold. Firstly, decoherence is a property of open quantum systems important for both quantum technologies and the fundamental ...
Anton Trushechkin
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Quantum Speed Limit for Non-Markovian Dynamics [PDF]
Physical Review Letters, 2013 We derive a Margolus-Levitin type bound on the minimal evolution time of an arbitrarily driven open quantum system. We express this quantum speed limit time in terms of the operator norm of the nonunitary generator of the dynamics. We apply these results to the damped Jaynes-Cummings model and demonstrate that the corresponding bound is tight.
Deffner, Sebastian, Lutz, Eric
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Unifying continuous, discrete, and hybrid susceptible-infected-recovered processes on networks
Physical Review Research, 2020 Waiting times between two consecutive infection and recovery events in spreading processes are often assumed to be exponentially distributed, which results in Markovian (i.e., memoryless) continuous spreading dynamics.
Lucas Böttcher, Nino Antulov-Fantulin
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Equivalence between non-Markovian dynamics and correlation backflows
New Journal of Physics, 2020 The information encoded into an open quantum system that evolves under a Markovian dynamics is always monotonically non-increasing. Nonetheless, for a given quantifier of the information contained in the system, it is in general not clear if for all non ...
Dario De Santis, Markus Johansson
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Approximate solutions of stochastic differential delay equations with Markovian switching [PDF]
, 2010 Our main aim is to develop the existence theory for the solutions to stochastic differential delay equations with Markovian switching (SDDEwMSs) and to establish the convergence theory for the Euler-Maruyama approximate solutions under the local ...
Li, Xiaoyue +4 more
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Characterizing (non-)Markovianity through Fisher information
SciPost Physics, 2023 A non-isolated physical system typically loses information to its environment, and when such loss is irreversible the evolution is said to be Markovian.
Paolo Abiuso, Matteo Scandi, Dario De Santis, Jacopo Surace
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Irreversibility mitigation in unital non-Markovian quantum evolutions
Physical Review Research, 2020 The relation between thermodynamic entropy production and non-Markovian evolutions is a matter of current research. Here, we study the behavior of the stochastic entropy production in open quantum systems undergoing unital non-Markovian dynamics.
Stefano Gherardini +2 more
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Non-Markovian dynamics control of spin-1/2 system interacting with magnets
New Journal of Physics, 2021 The unavoidable interaction of an open quantum system with its surrounding environment may follow non-Markovian dynamics behavior, which causes its memory effects to play a key role in many quantum technologies.
Ying-Jie Zhang +5 more
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Coherencia y entrelazamiento en dinámica no Markoviana de qubits [PDF]
Universitas Scientiarum, 2013 We provide a thorough analysis of the entanglement dynamics of an interacting two-qubit systemin the non-Markovian regime. In such a regime, the time scale on which the reservoir degrees offreedom evolve is either of the same order of magnitude or less ...
Cristian Edwin Susa Quintero +1 more
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Discrete dynamics and non-Markovianity [PDF]
Journal of Physics B: Atomic, Molecular and Optical Physics, 2016 We study discrete quantum dynamics where single evolution step consists of unitary system transformation followed by decoherence via coupling to an environment. Often non-Markovian memory effects are attributed to structured environments whereas here we take a more general approach within discrete setting.
Luoma, Kimmo, Piilo, Jyrki
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