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Open Quantum Systems Decoherence
Quantum Simulation
Optimally Convergent Quantum Jump Expansion
arXiv
Authors: Felix Lucas, Klaus Hornberger
Year
2013
Paper ID
31594
Status
Preprint
Abstract Read
~2 min
Abstract Words
91
Citations
N/A
Abstract
A method for deriving accurate analytic approximations for Markovian open quantum systems was recently introduced in [F. Lucas and K. Hornberger, Phys. Rev. Lett. 110, 240401 (2013)]. Here, we present a detailed derivation of the underlying non-perturbative jump expansion, which involves an adaptive resummation to ensure optimal convergence. Applying this to a set of exemplary master equations, we find that the resummation typically leads to convergence within the lowest two to five orders. Besides facilitating analytic approximations, the optimal jump expansion thus provides a numerical scheme for the efficient simulation of open quantum systems.
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- This paper contributes to the Quantum Simulation research area in the Quantum Articles archive.
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- A method for deriving accurate analytic approximations for Markovian open quantum systems was recently introduced in [F.
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