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Title: Nonequilibrium thermodynamics of erasure with superconducting flux logic

Abstract

We implement a thermal-fluctuation-driven logical bit reset on a superconducting flux logic cell. We show that the logical state of the system can be continuously monitored with only a small perturbation to the thermally activated dynamics at 500 mK. We use the trajectory information to derive a single-shot estimate of the work performed on the system per logical cycle. We acquire a sample of 105 erasure trajectories per protocol and show that the work histograms agree with both microscopic theory and global fluctuation theorems. The results demonstrate how to design and diagnose complex, high-speed, and thermodynamically efficient computing using superconducting technology.

Authors:
ORCiD logo [1];  [2];  [2];  [2];  [3]; ORCiD logo [3];  [4];  [2]
  1. California Institute of Technology (CalTech), Pasadena, CA (United States). Kavli Nanoscience Inst.; Brookhaven National Lab. (BNL), Upton, NY (United States)
  2. California Institute of Technology (CalTech), Pasadena, CA (United States). Kavli Nanoscience Inst.
  3. Univ. of California, Davis, CA (United States)
  4. Univ. of Kansas, Lawrence, KS (United States)
Publication Date:
Research Org.:
Brookhaven National Lab. (BNL), Upton, NY (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Advanced Scientific Computing Research (ASCR)
OSTI Identifier:
1593261
Report Number(s):
BNL-212429-2019-JAAM
Journal ID: ISSN 2643-1564; TRN: US2101076
Grant/Contract Number:  
SC0012704; W911NF-13-1-0390; W911NF-18-1-0028
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review Research
Additional Journal Information:
Journal Volume: 2; Journal Issue: 1; Journal ID: ISSN 2643-1564
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY

Citation Formats

Saira, Olli-Pentti, Matheny, Matthew H., Katti, Raj, Fon, Warren, Wimsatt, Gregory, Crutchfield, James P., Han, Siyuan, and Roukes, Michael L. Nonequilibrium thermodynamics of erasure with superconducting flux logic. United States: N. p., 2020. Web. doi:10.1103/physrevresearch.2.013249.
Saira, Olli-Pentti, Matheny, Matthew H., Katti, Raj, Fon, Warren, Wimsatt, Gregory, Crutchfield, James P., Han, Siyuan, & Roukes, Michael L. Nonequilibrium thermodynamics of erasure with superconducting flux logic. United States. doi:https://doi.org/10.1103/physrevresearch.2.013249
Saira, Olli-Pentti, Matheny, Matthew H., Katti, Raj, Fon, Warren, Wimsatt, Gregory, Crutchfield, James P., Han, Siyuan, and Roukes, Michael L. Tue . "Nonequilibrium thermodynamics of erasure with superconducting flux logic". United States. doi:https://doi.org/10.1103/physrevresearch.2.013249. https://www.osti.gov/servlets/purl/1593261.
@article{osti_1593261,
title = {Nonequilibrium thermodynamics of erasure with superconducting flux logic},
author = {Saira, Olli-Pentti and Matheny, Matthew H. and Katti, Raj and Fon, Warren and Wimsatt, Gregory and Crutchfield, James P. and Han, Siyuan and Roukes, Michael L.},
abstractNote = {We implement a thermal-fluctuation-driven logical bit reset on a superconducting flux logic cell. We show that the logical state of the system can be continuously monitored with only a small perturbation to the thermally activated dynamics at 500 mK. We use the trajectory information to derive a single-shot estimate of the work performed on the system per logical cycle. We acquire a sample of 105 erasure trajectories per protocol and show that the work histograms agree with both microscopic theory and global fluctuation theorems. The results demonstrate how to design and diagnose complex, high-speed, and thermodynamically efficient computing using superconducting technology.},
doi = {10.1103/physrevresearch.2.013249},
journal = {Physical Review Research},
number = 1,
volume = 2,
place = {United States},
year = {2020},
month = {3}
}

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