Matches in SemOpenAlex for { <https://semopenalex.org/work/W2767568552> ?p ?o ?g. }
- W2767568552 abstract "Based on the stochastic unravelling of the reduced density operator in the Feynman path integral formalism for an open quantum system in touch with harmonic environments, a new non-Markovian stochastic Schrödinger equation (NMSSE) has been established that allows for the systematic perturbation expansion in the system-bath coupling to arbitrary order. This NMSSE can be transformed in a facile manner into the other two NMSSEs, i.e., non-Markovian quantum state diffusion and time-dependent wavepacket diffusion method. Benchmarked by numerically exact results, we have conducted a comparative study of the proposed method in its lowest order approximation, with perturbative quantum master equations in the symmetric spin-boson model and the realistic Fenna-Matthews-Olson complex. It is found that our method outperforms the second-order time-convolutionless quantum master equation in the whole parameter regime and even far better than the fourth-order in the slow bath and high temperature cases. Besides, the method is applicable on an equal footing for any kind of spectral density function and is expected to be a powerful tool to explore the quantum dynamics of large-scale systems, benefiting from the wavefunction framework and the time-local appearance within a single stochastic trajectory." @default.
- W2767568552 created "2017-11-17" @default.
- W2767568552 creator A5009168627 @default.
- W2767568552 creator A5034128349 @default.
- W2767568552 date "2017-11-08" @default.
- W2767568552 modified "2023-09-30" @default.
- W2767568552 title "Perturbation expansions of stochastic wavefunctions for open quantum systems" @default.
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