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Creators/Authors contains: "Melbourne, James"

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  1. ; ; ; ; (, IEEE Transactions on Information Theory)
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  2. ; (, IEEE Transactions on Information Theory)
    null (Ed.)
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  3. ; ; ; (, Entropy)
    This article analyzes the effect of imperfections in physically realizable memory. Motivated by the realization of a bit as a Brownian particle within a double well potential, we investigate the energetics of an erasure protocol under a Gaussian mixture model. We obtain sharp quantitative entropy bounds that not only give rigorous justification for heuristics utilized in prior works, but also provide a guide toward the minimal scale at which an erasure protocol can be performed. We also compare the results obtained with the mean escape times from double wells to ensure reliability of the memory. The article quantifies the effect of overlap of two Gaussians on the the loss of interpretability of the state of a one bit memory, the required heat dissipated in partially successful erasures and reliability of information stored in a memory bit. 
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