2008/05/31 by Francisco J. Cao, F. J. Cao, M. Feito · 7 citations
Engineering · Physics and Astronomy · #Advanced Thermodynamics and Statistical Mechanics #Field-Flow Fractionation Techniques #cond-mat.stat-mech #stochastic dynamics and bifurcation
paper · pdf · doi:10.1103/physreve.79.041118
published as Phys. Rev. E 79, 041118 (2009) · LaTeX, 7 pages, 2 figures. Improved version to appear in Phys. Rev. E
arxiv created 2009/04/07 · openalex publication_date 2009/04/10 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/31
We compute the entropy reduction in feedback controlled systems due to the repeated operation of the controller. This was the lacking ingredient to establish the thermodynamics of these systems, and in particular of Maxwell's demons. We illustrate some of the consequences of our general results by deriving the maximum work that can be extracted from isothermal feedback controlled systems. As a case example, we finally study a simple system that performs an isothermal information-fueled particle pumping.