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Trapped Ion Quantum Computing Quantum Thermodynamics

Minimizing Dissipation via Interacting Environments: Quadratic Convergence to Landauer Bound

arXiv

Authors: Patryk Lipka-Bartosik, Martí Perarnau-Llobet

Year

2024

Paper ID

37333

Status

Preprint

Abstract Read

~2 min

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Abstract

We explore the fundamental limits on thermodynamic irreversibility when cooling a quantum system in the presence of a finite-size reservoir. First, we prove that for any non-interacting n-particle reservoir, the entropy production Σ decays at most linearly with n. Instead, we derive a cooling protocol in which Σpropto 1/n², which is in fact the best possible scaling. This becomes possible due to the presence of interactions in the finite-size reservoir, which must be prepared at the verge of a phase transition. Our results open the possibility of cooling with a higher energetic efficiency via interacting reservoirs.

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This paper contributes to the Quantum Thermodynamics research area in the Quantum Articles archive.
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We explore the fundamental limits on thermodynamic irreversibility when cooling a quantum system in the presence of a finite-size reservoir.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2411.00944 [2] arXiv https://arxiv.org/abs/2411.00944 [3] Publisher https://arxiv.org/abs/2411.00944

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