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What integrability (and its breaking) teaches us about the non-equilbirium quantum dynamics?
March 12, 2025 , 13:00 – 14:00
Speaker: Prof. UW dr hab. Miłosz Panfil
Affiliation: Chair of Quantum Mathematical Physics, Institute of Theoretical Physics, Faculty of Physics, University of Warsaw, Warsaw, Poland
Abstract: The non-equilibrium dynamics of quantum many-body systems exhibit a rich and complex phenomenology, as evidenced by recent advances in areas like eigenstate thermalization, quantum scars, generalized hydrodynamics, and quantum chaos. Among strongly correlated quantum models, integrable systems play a crucial role in providing a solid theoretical foundation for these concepts. These models are distinguished by an infinite number of conserved charges and stable quasi-particle excitations. When integrability is weakly broken, interactions between quasi-particles emerge, leading to the development of a novel kinetic theory. In this talk, I will review recent progress in this kinetic framework, which offers many insights into non-equilibrium phenomena, including the emergence of the Navier-Stokes equations from quantum dynamics.
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