Results 221 to 230 of about 283,223 (248)

Thermodynamic Limits of Fault-Tolerant Quantum Computing Beyond the Weak-Coupling, Quasistatic Regime. [PDF]

Entropy (Basel)
Guha Majumdar M.
europepmc   +1 more source

Robustness of quantum correlations in photonic systems under non-Markovian dephasing: theoretical analysis in the experimental range. [PDF]

Sci Rep
Berrada K, Bougouffa S.
europepmc   +1 more source

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Non-Markovian Speedup Dynamics in Markovian and Non-Markovian Channels

International Journal of Theoretical Physics, 2021
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Nie, Jing, Liang, Yingshuang, Wang, Biao, Yang, Xiuyi   +3 more
exaly   +2 more sources

Non-Markovian Brownian dynamics and nonergodicity [PDF]

Physical Review E, 2005
We report the breaking of ergodicity for a class of generalized, Brownian motion obeying a non-Markovian dynamics being driven by a generalized Langevin equation (GLE). This very feature originates from a vanishing of the effective friction. A novel quantity b (being uniquely determined from the corresponding memory friction kernel gamma(t)of the GLE ...
Bao, Jing-Dong, Hänggi, Peter, Zhuo, Yi-Zhong   +2 more
openaire   +2 more sources

Non-Markovian Dynamics in a Dense Potassium Vapor

Physical Review Letters, 2005
Transient four-wave mixing experiments on a dense potassium vapor, which has a dephasing time long compared to the collision duration, reveal distinct signatures of non-Markovian dynamics. Theoretical fits assuming stochastic fluctuation of the excited-state frequencies confirm that the two-time correlation function has a finite temporal width.
V O, Lorenz, S T, Cundiff
openaire   +2 more sources

Dynamical learning of non-Markovian quantum dynamics

Chinese Physics B, 2022
We study the non-Markovian dynamics of an open quantum system with machine learning. The observable physical quantities and their evolutions are generated by using the neural network. After the pre-training is completed, we fix the weights in the subsequent processes thus do not need the further gradient feedback.
Jintao Yang, Junpeng Cao, Wen-Li Yang
openaire   +1 more source

Characterizing Non-Markovian Dynamics

2012
We characterize (non)Markovian dynamics of open quantum systems. Two recently proposed measures of non-Markovianity are analyzed: one based on the concept of divisibility of the dynamical map and the other one based on distinguishability of quantum states.
D. Chruściński, A. Kossakowski
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Non-Markovian macroscopic dynamics

Zeitschrift f�r Physik B Condensed Matter, 1982
The embedding problem of extrapolated microphysics into the macroscopic description is considered, if Non-Markovian effects are macroscopically important. A classical heavy particle in contact with many classical oscillators is described by a retarded Langevin equation, which turns out to be essentially different from a retarded Fokker-Planck equation,
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