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http://hdl.handle.net/1942/10612
Title: | Extracting chemical energy by growing disorder: efficiency at maximum power | Authors: | Esposito, Massimiliano Lindenberg, Katja VAN DEN BROECK, Christian |
Issue Date: | 2010 | Publisher: | IOP PUBLISHING LTD | Source: | JOURNAL OF STATISTICAL MECHANICS-THEORY AND EXPERIMENT, 2010, (ART N° P01008) | Abstract: | We consider the efficiency of chemical energy extraction from the environment by the growth of a copolymer made of two constituent units in the entropy-driven regime. We show that the thermodynamic nonlinearity associated with the information processing aspect is responsible for a branching of the system properties such as power, speed of growth, entropy production, and efficiency, with varying affinity. The standard linear thermodynamics argument which predicts an efficiency of 1/2 at maximum power is inappropriate because the regime of maximum power is located either outside of the linear regime or on a separate bifurcated branch, and because the usual thermodynamic force is not the natural variable for this optimization. | Notes: | [Esposito, Massimiliano] Univ Libre Bruxelles, Ctr Nonlinear Phenomena & Complex Syst, B-1050 Brussels, Belgium. [Lindenberg, Katja] Univ Calif San Diego, Dept Chem & Biochem, La Jolla, CA 92093 USA. [Lindenberg, Katja] Univ Calif San Diego, BioCircuits Inst, La Jolla, CA 92093 USA. [Van den Broeck, Christian] Hasselt Univ, Dept WNI, B-3590 Diepenbeek, Belgium. mesposit@ulb.ac.be; klindenberg@ucsd.edu; christian.vandenbroeck@uhasselt.be | Keywords: | kinetic growth processes (theory); stochastic particle dynamics (theory) | Document URI: | http://hdl.handle.net/1942/10612 | ISSN: | 1742-5468 | e-ISSN: | 1742-5468 | DOI: | 10.1088/1742-5468/2010/01/P01008 | ISI #: | 000274266600016 | Category: | A1 | Type: | Journal Contribution | Validations: | ecoom 2011 |
Appears in Collections: | Research publications |
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0907.2502v1.pdf | Non Peer-reviewed author version | 287.26 kB | Adobe PDF | View/Open |
jstat10_01_p01008.pdf | 285.98 kB | Adobe PDF | View/Open |
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