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Structural complexity and configurational entropy of crystals

机译:晶体的结构复杂性和构型熵

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摘要

Using a statistical approach, it is demonstrated that the complexity of a crystal structure measured as the Shannon information per atom [Krivovichev (2012). Acta Cryst. A68, 393–398] represents a negative contribution to the configurational entropy of a crystalline solid. This conclusion is in full accordance with the general agreement that information and entropy are reciprocal variables. It also agrees well with the understanding that complex structures possess lower entropies relative to their simpler counterparts. The obtained equation is consistent with the Landauer principle and points out that the information encoded in a crystal structure has a physical nature.
机译:使用统计方法,证明了作为每个原子的香农信息测量的晶体结构的复杂性[Krivovichev(2012)。 Acta Cryst。 A68,393–398]表示对结晶固体的结构熵有负面影响。该结论完全符合以下基本共识:信息和熵是互易变量。相对于较简单的结构,复杂结构具有较低的熵,这也与上述观点完全吻合。所获得的等式与Landauer原理一致,并指出以晶体结构编码的信息具有物理性质。

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