Document Type

Conference Proceeding

Publication Date

5-8-2012

Abstract

A quantum gate is a logically and thermodynamically reversible situation that effects a unitary transformation of qubits of superimposed information, and essentially constitutes a situation for a reversible quantum decision. A quantum decision is a symmetry break, and the effect of the function of a Szilard engine is a symmetry break. A quantum gate is a situation in which a reversible quantum decision can be made, and so if a logically and thermodynamically reversible Szilard engine can be theoretically constructed then it would function as a quantum gate. While the traditionally theorized Szilard engine is not thermodynamically reversible, if one of the bounding walls of a Szilard engine were to be constructed out of the physical information by which it functions in such a manner as to make that information available to both sides of the wall simultaneously, then such a Szilard engine would be both logically and thermodynamically reversible, and thus capable of function as a quantum gate. A theoretical model of the special case of a reversible Szilard engine functioning as a quantum gate is presented and discussed, and since a quantum decision is made when the shutter of a Szilard engine closes, the coherence of linked reversible Szilard engines should be considered as a state during which all of the shutters of linked Szilard engines are open simultaneously.

Comments

https://spie.org/publications/conference-proceedings and http://adsabs.harvard.edu/abs/2012SPIE.8400E...8M- So Publication: Proceedings of the SPIE, Volume 8400, id. 84000C (2012). Publication Date: 06/2012. SPIE grants to authors (and their employers) of papers, posters, and presentation recordings published in SPIE Proceedings or SPIE Journals on the SPIE Digital Library the right to post an author-prepared version or an official version (preferred version) of the published paper, poster, or presentation recording on an internal or external repository controlled exclusively by the author/employer, or the entity funding the research, provided that (a) such posting is noncommercial in nature and the paper, poster, or presentation recording is made available to users without charge; (b) an appropriate copyright notice and citation appear with the paper, poster, or presentation recording; and (c) a link to SPIE’s official online version of the paper, poster, or presentation recording is provided using the DOI (Document Object Identifier) link - Author agreement: https://spie.org/conferences-and-exhibitions/authors-and-presenters/copyright-form-required-for-publication?SSO=1 allows for

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