Simulation of reversible molecular mechanical logic gates and circuits
Landauer's principle places a fundamental lower limit on the work required to perform a logically irreversible operation. Logically reversible gates provide a way to avoid these work costs and also simplify the task of making the computation as a whole thermodynamically reversible. The inherent...
| Main Authors: | , , |
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| Format: | Journal article |
| Language: | English |
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American Physical Society
2023
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| _version_ | 1797112913564008448 |
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| author | Seet, I Ouldridge, TE Doye, JPK |
| author_facet | Seet, I Ouldridge, TE Doye, JPK |
| author_sort | Seet, I |
| collection | OXFORD |
| description | Landauer's principle places a fundamental lower limit on the work required to perform a logically irreversible operation. Logically reversible gates provide a way to avoid these work costs and also simplify the task of making the computation as a whole thermodynamically reversible. The inherent reversibility of mechanical logic gates would make them good candidates for the design of practical logically reversible computing systems if not for the relatively large size and mass of such systems. In this paper we outline the design and simulation of reversible molecular mechanical logic gates that come close to the limits of thermodynamic reversibility even under the effects of thermal noise, and outline associated circuit components from which arbitrary combinatorial reversible circuits can be constructed and simulated. We demonstrate that isolated components can be operated in a thermodynamically reversible manner, and explore the complexities of combining components to implement more complex computations. Finally, we demonstrate a method to construct arbitrarily large reversible combinatorial circuits using multiple external controls and signal boosters with a working half-adder circuit. |
| first_indexed | 2024-03-07T07:58:59Z |
| format | Journal article |
| id | oxford-uuid:67d28b9a-2e32-4992-88ee-62eef4918bb9 |
| institution | University of Oxford |
| language | English |
| last_indexed | 2024-04-09T03:54:44Z |
| publishDate | 2023 |
| publisher | American Physical Society |
| record_format | dspace |
| spelling | oxford-uuid:67d28b9a-2e32-4992-88ee-62eef4918bb92024-03-14T11:05:17ZSimulation of reversible molecular mechanical logic gates and circuitsJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:67d28b9a-2e32-4992-88ee-62eef4918bb9EnglishSymplectic ElementsAmerican Physical Society2023Seet, IOuldridge, TEDoye, JPKLandauer's principle places a fundamental lower limit on the work required to perform a logically irreversible operation. Logically reversible gates provide a way to avoid these work costs and also simplify the task of making the computation as a whole thermodynamically reversible. The inherent reversibility of mechanical logic gates would make them good candidates for the design of practical logically reversible computing systems if not for the relatively large size and mass of such systems. In this paper we outline the design and simulation of reversible molecular mechanical logic gates that come close to the limits of thermodynamic reversibility even under the effects of thermal noise, and outline associated circuit components from which arbitrary combinatorial reversible circuits can be constructed and simulated. We demonstrate that isolated components can be operated in a thermodynamically reversible manner, and explore the complexities of combining components to implement more complex computations. Finally, we demonstrate a method to construct arbitrarily large reversible combinatorial circuits using multiple external controls and signal boosters with a working half-adder circuit. |
| spellingShingle | Seet, I Ouldridge, TE Doye, JPK Simulation of reversible molecular mechanical logic gates and circuits |
| title | Simulation of reversible molecular mechanical logic gates and circuits |
| title_full | Simulation of reversible molecular mechanical logic gates and circuits |
| title_fullStr | Simulation of reversible molecular mechanical logic gates and circuits |
| title_full_unstemmed | Simulation of reversible molecular mechanical logic gates and circuits |
| title_short | Simulation of reversible molecular mechanical logic gates and circuits |
| title_sort | simulation of reversible molecular mechanical logic gates and circuits |
| work_keys_str_mv | AT seeti simulationofreversiblemolecularmechanicallogicgatesandcircuits AT ouldridgete simulationofreversiblemolecularmechanicallogicgatesandcircuits AT doyejpk simulationofreversiblemolecularmechanicallogicgatesandcircuits |