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Quantum systems are generally extremely hard to isolate from their environment, even more so if we want to exert control or perform measurements. It is therefore important to understand the effect of the coupling to the environment. I will discuss a random matrix approach to quantum many-body systems with strong dissipation and show that the locality of dissipation processes gives rise to a hierarchy of relaxation timescales, which can be experimentally observed. This theory can also be applied to the case of a strong variance in dissipation strengths, which can lead to an emerging set of metastable states.

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David Luitz, MPI-PKS Dresden / Uni Bonn
Seminar Room 0.03, ETP
Contact: Simon Trebst