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Learning efficient erasure protocols for an underdamped memory

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arxiv 2409.15050 v2 pith:KZ27PXKQ submitted 2024-09-23 cond-mat.stat-mech

classification cond-mat.stat-mech
keywords protocolsefficienterasurememorycantileverlearningunderdampedallow
verification ladder T0 review T1 audit T2 compute T3 formal
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We apply evolutionary reinforcement learning to a simulation model in order to identify efficient time-dependent erasure protocols for a physical realization of a one-bit memory by an underdamped mechanical cantilever. We show that these protocols, when applied to the cantilever in the laboratory, are considerably more efficient than our best hand-designed protocols. The learned protocols allow reliable high-speed erasure by minimizing the heating of the memory during the operation. More generally, the combination of methods used here opens the door to the rational design of efficient protocols for a variety of physics applications.

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Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Optimal Control of Engineered Swift Equilibration of Nanomechanical Oscillators

    cond-mat.stat-mech 2025-10 conditional novelty 6.0 of 10

    Treating the oscillator potential as a state removes terminal-jump boundary conditions from minimum-work protocols and reduces bulk optimal dynamics to a universal centre-manifold turnpike.

  2. Improving noisy free-energy measurements by adding more noise

    cond-mat.stat-mech 2025-02 conditional novelty 6.0 of 10

    Scaling the potential and adding noise effectively slows an overdamped protocol, reducing dissipated work and greatly improving free-energy estimates from the Jarzynski equality.

  3. Experimental Realizations of Information Engines: Beyond Proof of Concept

    cond-mat.stat-mech 2025-01 unverdicted novelty 2.0 of 10

    The paper reviews experimental information engines and argues they have advanced beyond proof of concept into active, many-body, inertial, and optimally controlled regimes.

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