Controlling the non-Markovianity of quantum Brownian motion

• URL: http://arxiv.org/abs/2606.30730v1
• Date: Mon, 29 Jun 2026 18:00:03 GMT
• Title: Controlling the non-Markovianity of quantum Brownian motion
• Abstract summary: We analyze the dynamics of a generalized quantum Brownian motion model.<n>We demonstrate that, by modulating the relative weights of specific interaction channels, we can control the degree of non-Markovianity of the system.
• Score: 0.764671395172401
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: We analyze the exact dynamics of a generalized quantum Brownian motion model, employing Gaussian master equation methods. We demonstrate that, by modulating the relative weights of specific interaction channels, we can control the degree of non-Markovianity of the system, and induce a transition from non-Markovian to Markovian regimes. The non-Markovianity of the evolution is formally characterized by leveraging the Gorini--Kossakowski--Sudarshan--Lindblad theorem and by employing quantitative measures of information backflow. Finally, we clarify the physical mechanism behind the phenomenology of this model, thereby providing a systematic platform for environment engineering through the strategic tuning of dissipation channels.

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