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原文連結
論文資訊
- 類型：已發表論文
- 日期：2020
摘要
Modern digital electronics support remarkably reliable computing, especially given the challenge of controlling nanoscale logical components that interact in fluctuating environments. However, we demonstrate that the high-reliability limit is subject to a fundamental error–energy-efficiency tradeoff that arises from time-symmetric control: Requiring a low probability of error causes energy consumption to diverge as logarithm of the inverse error rate for nonreciprocal logical transitions. The reciprocity (self-invertibility) of a computation is a stricter condition for 熱力學 efficiency than logical reversibility (invertibility), the latter being the root of Landauer’s work bound on erasing 資訊. Beyond engineered computation, the results identify a generic error–dissipation tradeoff in steady-
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