Computer-aided cluster expansion: An efficient algebraic approach for open quantum many-particle systems.
Computer Physics Communications(2017)
摘要
We introduce an equation of motion approach that allows for an approximate evaluation of the time evolution of a quantum system, where the algebraic work to derive the equations of motion is done by the computer. The introduced procedures offer a variety of different types of approximations applicable for finite systems with strong coupling as well as for arbitrary large systems where augmented mean-field theories like the cluster expansion can be applied.
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关键词
Semiconductor quantum optics,Open quantum many-particle systems,Equations of motion,Cluster expansion,Micro laser,Photon correlations
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