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原文連結
論文資訊
- 類型：已發表論文
- 日期：2020
摘要
Szilard's now-famous single-molecule engine was only the first of three constructions he introduced in 1929 to resolve several paradoxes arising from Maxwell's demon. We analyze Szilard's remaining two demon models. We show that the second one, though a markedly different implementation employing a 族群 of distinct molecular 物種 and semi-permeable membranes, is 資訊ally and 熱力學ally equivalent to an ideal gas of the single-molecule engines. Since it is a gas of noninteracting particles one concludes, following Boyd and Crutchfield, that (i) it reduces to a chaotic dynamical system---called the Szilard Map, a composite of three piecewise linear maps that implement the 熱力學 transformations of measurement, control, and erasure; (ii) its transitory functioning as an engine that converts disorganized
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