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DY: Fachverband Dynamik und Statistische Physik

DY 32: Many-body Systems: Equilibration, Chaos, and Localization (joint session DY/TT)

DY 32.10: Talk

Wednesday, March 11, 2026, 12:00–12:15, HÜL/S186

Quantum Mpemba effect from Stark localization — •Nico Albert¹, Masudul Haque¹, and Shovan Dutta² — ¹TU Dresden, Dresden, Germany — ²Raman Research Institute, Bangalore, India

In the Mpemba effect a system prepared at a higher temperature cools down faster to a target equilibrium state than the same system prepared at a lower temperature. We investigate how quantum effects can influence the occurence of such an effect. As an example we consider a bosonic chain subject to a suitable onsite potential that is dissipatively cooled to its ground state, and find that Stark localization significantly enhances the Mpemba effect compared to analogous classical systems.

Keywords: Quantum Mpemba effect; Markovian open quantum systems; Localization