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原文連結
論文資訊
- 類型：已發表論文
- 日期：2022-03-28
摘要
Landauer's Principle states that the energy cost of 資訊 processing must exceed the product of the temperature, Boltzmann's constant, and the change in Shannon 熵 of the 資訊-bearing degrees of freedom. However, this lower bound is achievable only for quasistatic, near-equilibrium computations- that is, only over infinite time. In practice, 資訊 processing takes place in finite time, resulting in dissipation and potentially unreliable logical outcomes. For overdamped Langevin dynamics, we show that counterdiabatic potentials can be crafted to guide systems rapidly and accurately along desired 計算 paths, providing shortcuts that allow for the precise design of finite-time computations. Such shortcuts require additional work, beyond Landauer's bound, that is irretrievably dissipated into the environ
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