How the electronic structure of an open quantum system evolves in the presence of its environment is crucial to better understanding and improving many processes, including molecular energy transport and the communication of quantum information. In the dissipative Markovian regime, energy or information lost by the system is never recovered, however, in the non-Markovian regime, recurrences of quantum properties such as coherences and entanglement can occur. Accurately modeling these recurrences could allow for improved experimental parameter estimation and for the potential control of noise processes in quantum technologies and materials. Here, I will discuss reduced density matrix methods which extend the Kraus mapping formalism to capture non-Markovian dynamics using both classical and quantum computational resources.

Time-evolution of open quantum systems using quantum and classical resources

ACS Spring Meeting 2021

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