Please use this identifier to cite or link to this item:
Title: Information processing second law for an information ratchet with finite tape
Authors: He, Lianjie
Pradana, Andri
Cheong, Jian Wei
Chew, Lock Yue
Keywords: Science::Physics
Issue Date: 2022
Source: He, L., Pradana, A., Cheong, J. W. & Chew, L. Y. (2022). Information processing second law for an information ratchet with finite tape. Physical Review E, 105(5), 054131-.
Journal: Physical Review E 
Abstract: We model a class of discrete-time information ratchet with a finite tape and explore its thermodynamic consequence as a Maxwell demon. We found that, although it supports the operational regime of an engine or eraser, it cannot typically sustain these thermodynamic functionalities due to eventual equilibration as a result of the finite information capacity of the tape. Nonetheless, cumulative work can be accrued or expended through successive tape scans and we prove that at all time the ratchet obeys the information processing second law (IPSL). Unlike the IPSL for the infinite-tape ratchet which operates only at the stationary state, the IPSL here is applicable also at the transient phase of the ratchet operation. We explore two ratchet designs with the single-state perturbed coin (PC) ratchet being the simplest ratchet without memory, while the double-state modified Boyd's (MB) ratchet is the simplest ratchet with memory. Our analysis shows that the MB ratchet can harness correlation to accumulate more work by having a larger time constant to reach steady state relative to the PC ratchet.
ISSN: 2470-0045
DOI: 10.1103/PhysRevE.105.054131
Schools: School of Physical and Mathematical Sciences 
Rights: © 2022 American Physical Society. All rights reserved. This paper was published in Physical Review E and is made available with permission of American Physical Society.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SPMS Journal Articles

Files in This Item:
File Description SizeFormat 
PhysRevE.105.054131.pdf1.32 MBAdobe PDFThumbnail

Citations 50

Updated on Nov 25, 2023

Web of ScienceTM
Citations 50

Updated on Oct 25, 2023

Page view(s)

Updated on Dec 2, 2023

Download(s) 50

Updated on Dec 2, 2023

Google ScholarTM




Items in DR-NTU are protected by copyright, with all rights reserved, unless otherwise indicated.