Process tensor approaches to modeling two-dimensional spectroscopy
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 system-bath coupling regimes.
Authors
- Brendon W. Lovett (ORCID: https://orcid.org/0000-0001-5142-9585)
- Jonathan Keeling (ORCID: https://orcid.org/0000-0002-4283-552X)
- Alex W. Chin (ORCID: https://orcid.org/0000-0001-7741-5915)
- R. Wit (ORCID: https://orcid.org/0009-0000-1858-0064)
Institutions
- University of St Andrews (GB)
- Sorbonne Université (FR)
- Institut des NanoSciences de Paris (FR)
- Laboratoire Médiations (FR)
Publication Details
- Journal
- Physical Review Research
- Published
- 2025-02-26
- DOI
- https://doi.org/10.1103/physrevresearch.7.013209
- Citations
- 5
- Primary Topic
- Spectroscopy and Quantum Chemical Studies
- Type
- article
- Field-Weighted Citation Impact
- 4.99
Funders
- Agence Nationale de la Recherche
- Engineering and Physical Sciences Research Council