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- W4313332425 abstract "In this Letter, we explore the use of thermodynamic length to improve the performance of experimental protocols. In particular, we implement Landauer erasure on a driven electron level in a semiconductor quantum dot, and compare the standard protocol in which the energy is increased linearly in time with the one coming from geometric optimization. The latter is obtained by choosing a suitable metric structure, whose geodesics correspond to optimal finite-time thermodynamic protocols in the slow driving regime. We show experimentally that geodesic drivings minimize dissipation for slow protocols, with a bigger improvement as one approaches perfect erasure. Moreover, the geometric approach also leads to smaller dissipation even when the time of the protocol becomes comparable with the equilibration timescale of the system, i.e., away from the slow driving regime. Our results also illustrate, in a single-electron device, a fundamental principle of thermodynamic geometry: optimal finite-time thermodynamic protocols are those with constant dissipation rate along the process." @default.
- W4313332425 created "2023-01-06" @default.
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- W4313332425 date "2022-12-29" @default.
- W4313332425 modified "2023-10-17" @default.
- W4313332425 title "Minimally Dissipative Information Erasure in a Quantum Dot via Thermodynamic Length" @default.
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- W4313332425 doi "https://doi.org/10.1103/physrevlett.129.270601" @default.
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