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Quantum Chemistry
Computational approaches to efficient generation of the stationary state for incoherent light excitation
arXiv
Authors: Ignacio Loaiza, Artur F. Izmaylov, Paul Brumer
Year
2020
Paper ID
19530
Status
Preprint
Abstract Read
~2 min
Abstract Words
85
Citations
N/A
Abstract
Light harvesting processes are often computationally studied from a time-dependent viewpoint, in line with ultrafast coherent spectroscopy experiments. Yet, natural processes take place in the presence of incoherent light, which induces a stationary state. Such stationary states can be described using the eigenbasis of the molecular Hamiltonian, but for realistic systems a full diagonalization is prohibitively expensive. We propose three efficient computational approaches to obtaining the stationary state that circumvent system Hamiltonian diagonalization. The connection between the incoherent perturbations, decoherence, and Kraus operators is established.
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- This paper contributes to the Quantum Chemistry research area in the Quantum Articles archive.
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- Light harvesting processes are often computationally studied from a time-dependent viewpoint, in line with ultrafast coherent spectroscopy experiments.
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