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Process tensor approaches to modeling two-dimensional spectroscopy
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DOI：10.1103/PhysRevResearch.7.013209.png)
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Abstract
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Problems in the field of open quantum systems often involve an environment that strongly influences the dynamics of excited states. Here we present a numerical method to model optical spectra of non-Markovian open quantum systems. The method employs a process tensor framework to efficiently compute multitime correlations in a numerically exact way. To demonstrate the efficacy of our method, we compare 2D electronic spectroscopy simulations produced through our method to Markovian master equation simulations in three different systembath coupling regimes.
Keywords:
ENERGY-TRANSFER
TIME EVOLUTION
QUANTUM SYSTEM
COHERENT
COMPLEX
STATES
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4.2
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