Speaker
Description
The coupling of a system to more than one kind of environment is ubiquitous in nature. For example, in the field of polaritonic chemistry, where the interaction with confined light modifies the molecular reactivity, typically both an optical bath and a phononic bath are involved. In such cases, it is crucial to account for the interplay between these two different environments, which cannot be treated separately [PRX Quantum 3(1), 010321 (2022)]. In this talk, I will discuss the interplay between the memory effects of the two baths. In particular, we will consider cases where one bath, e.g., an electromagnetic environment, is Markovian (memoryless) and can be treated by introducing lossy terms into the system, and the other, e.g., a vibrational bath, is structured. We show that although the interaction between a structured bath and a system is typically non-Markovian, it becomes Markovian when taking into account the system's interaction with the memoryless bath [arXiv:2402.16096 (2024)]. This demonstrates that the memoryless property can be transferred from one bath to another through the system with which they both interact.
