dorsal/arxiv
View SchemaThe (absence of a) relationship between thermodynamic and logical reversibility
| Authors | O. J. E. Maroney |
|---|---|
| Categories | |
| ArXiv ID | physics/0406137 |
| URL | https://arxiv.org/abs/physics/0406137 |
| Journal | Studies in History and Philosophy of Modern Physics vol. 36 pp. 355-374 (2005) |
Abstract
Landauer erasure seems to provide a powerful link between thermodynamics and information processing (logical computation). The only logical operations that require a generation of heat are logically irreversible ones, with the minimum heat generation being $kT \ln 2$ per bit of information lost. Nevertheless, it will be shown logical reversibility neither implies, nor is implied by thermodynamic reversibility. By examining thermodynamically reversible operations which are logically irreversible, it is possible to show that information and entropy, while having the same form, are conceptually different.
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"abstract": "Landauer erasure seems to provide a powerful link between thermodynamics and\ninformation processing (logical computation). The only logical operations that\nrequire a generation of heat are logically irreversible ones, with the minimum\nheat generation being $kT \\ln 2$ per bit of information lost. Nevertheless, it\nwill be shown logical reversibility neither implies, nor is implied by\nthermodynamic reversibility. By examining thermodynamically reversible\noperations which are logically irreversible, it is possible to show that\ninformation and entropy, while having the same form, are conceptually\ndifferent.",
"arxiv_id": "physics/0406137",
"authors": [
"O. J. E. Maroney"
],
"categories": [
"physics.hist-ph",
"cond-mat.stat-mech",
"physics.gen-ph"
],
"journal_ref": "Studies in History and Philosophy of Modern Physics vol. 36 pp.\n 355-374 (2005)",
"title": "The (absence of a) relationship between thermodynamic and logical reversibility",
"url": "https://arxiv.org/abs/physics/0406137"
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