InterJournal Complex Systems, 60
Status: Accepted
Manuscript Number: [60]
Submission Date: 963011
Information erasure without entropy production of ln 2 per bit by a quasi-static potential change subjected to Brownian motion
Author(s): Hideaki Matsueda , Eiichi Goto , Kia-Fock Loe

Subject(s): CX.07

Category: Brief Article


A possibility of erasing a bit of information without producing the entropy k ln is demonstrated, using a time-dependent potential, changing between double- and single-well forms, subjected to a Brownian motion. Computer simulation was done to estimate the average entropy production in this potential. In this scheme, it is found that the entropy production accompanying the erasure of a bit is far less than k ln 2, when the potential is varied slowly enough.

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