No free lunch for effective potentials: general comment for Faraday FD144
classification
❄️ cond-mat.soft
keywords
coarse-grainedeffectivepotentialsarisebrieflycannotcommentcomplex
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I briefly review the problem of representability -- a single coarse-grained effective pair potential cannot simultaneously represent all the properties of an underlying more complex system -- as well as a few other subtleties that can arise in interpreting coarse-grained potentials.
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