Thermodynamic universality across dissipative quantum phase transitions

• URL: http://arxiv.org/abs/2512.05074v1
• Date: Thu, 04 Dec 2025 18:38:28 GMT
• Title: Thermodynamic universality across dissipative quantum phase transitions
• Authors: Laetitia P. Bettmann, Artur M. Lacerda, Mark T. Mitchison, John Goold,
• Abstract summary: We study finite-time driving across second-order dissipative quantum phase transitions described by Lindblad dynamics.<n>We show that the nonadiabatic entropy production exhibits universal power-law scaling with the ramp duration in analogy to the Kibble-Zurek mechanism for closed systems.
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• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: We study finite-time driving across second-order dissipative quantum phase transitions described by Lindblad dynamics. We show that the nonadiabatic entropy production, which quantifies deviations from the instantaneous nonequilibrium steady state, exhibits universal power-law scaling with the ramp duration in analogy to the Kibble-Zurek mechanism for closed systems. This establishes the universality of irreversible dissipation induced by driving an open quantum system near criticality. Furthermore, in systems described by bosonic Gaussian states, our scaling laws predict that the nonadiabatic entropy production is independent of driving speed to leading order, revealing a distinctive feature of Gaussian dissipative quantum phase transitions. We validate these analytical predictions in the thermodynamic limit of the driven-dissipative Dicke model and via finite-size scaling in the open Kerr model. Our results establish a general framework for understanding universal nonequilibrium response and thermodynamic irreversibility in critical open quantum systems.

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