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Entropy 2005, 7(1), 68-96; doi:10.3390/e7010068
Article
The meanings of entropy
Lab/UFR High Energy Physics, Physics Department, Faculty of Sciences, Rabat, Morocco
Received: 19 November 2004; Accepted: 14 February 2005 / Published: 14 February 2005
Download PDF Full-Text [227 KB, uploaded 16 September 2008 11:01 CEST]
Abstract: Entropy is a basic physical quantity that led to various, and sometimes apparently conflicting interpretations. It has been successively assimilated to different concepts such as disorder and information. In this paper we're going to revisit these conceptions, and establish the three following results: Entropy measures lack of information; it also measures information. These two conceptions are complementary. Entropy measures freedom, and this allows a coherent interpretation of entropy formulas and of experimental facts. To associate entropy and disorder implies defining order as absence of freedom. Disorder or agitation is shown to be more appropriately linked with temperature.
Keywords: entropy; freedom; information; disorder
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MDPI and ACS Style
Brissaud, J.-B. The meanings of entropy. Entropy 2005, 7, 68-96.
AMA StyleBrissaud J-B. The meanings of entropy. Entropy. 2005; 7(1):68-96.
Chicago/Turabian StyleBrissaud, Jean-Bernard. 2005. "The meanings of entropy." Entropy 7, no. 1: 68-96.