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原文連結
論文資訊
- 類型：已發表論文
- 日期：2016-04-13
摘要
Recent advances in nonequilibrium 統計 physics have provided unprecedented insight into the 熱力學s of dynamic processes. The author recently used these advances to extend Landauer's semi-formal reasoning concerning the 熱力學s of bit erasure, to derive the minimal free energy required to implement an arbitrary computation. Here, I extend this analysis, deriving the minimal free energy required by an organism to run a given (隨機) map pi from its sensor inputs to its actuator outputs. I use this result to calculate the input-output map pi of an organism that optimally trades off the free energy needed to run pi with the phenotypic fitness that results from implementing pi. I end with a general discussion of the limits imposed on the rate of the terrestrial biosphere's 資訊 processing by the flux of su
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