Improved Efficiency of Open Quantum System Simulations Using Matrix Products States in the Interaction Picture
Kai T. Liu,
David N. Beratan,
Peng Zhang
Abstract:Modeling open quantum systems-quantum systems coupled to a bath-is of value in condensed matter theory, cavity quantum electrodynamics, nanosciences and biophysics. The real-time simulation of open quantum systems was advanced significantly by the recent development of chain mapping techniques and the use of matrix product states that exploit the intrinsic entanglement structure in open quantum systems. The computational cost of simulating open quantum systems, however, remains high when the bath is excited to… Show more
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