聖塔非研究所

摘要 We consider the problem of driving a finite state

2021 · 已發表論文 · 更新 2026/08/30 下午12:48

摘要 We consider the problem of driving a finite state classical system from some initial distribution p to some final distribution p′ with vanishing 熵 production (EP), under the constraint th…

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  • 類型:已發表論文
  • 日期:2021

摘要

We consider the problem of driving a finite-state classical system from some initial distribution p to some final distribution p′ with vanishing 熵 production (EP), under the constraint that the driving protocols can only use some limited set of energy functions E. Assuming no other constraints on the driving protocol, we derive a simple condition that guarantees that such a transformation can be carried out, which is stated in terms of the smallest probabilities in {p,p′} and a graph-theoretic property defined in terms of E. Our results imply that a surprisingly small amount of control over the energy function is sufficient (in particular, any transformation p → p′ can be carried out as soon as one can control some one-dimensional parameter of the energy function, e.g., the energy of a sin

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