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单词 Coleman theorem
释义

Coleman theorem

英语百科

Mermin–Wagner theorem

(重定向自Coleman theorem)

In quantum field theory and statistical mechanics, the Mermin–Wagner theorem (also known as Mermin–Wagner–Hohenberg theorem or Coleman theorem) states that continuous symmetries cannot be spontaneously broken at finite temperature in systems with sufficiently short-range interactions in dimensions d ≤ 2. Intuitively, this means that long-range fluctuations can be created with little energy cost and since they increase the entropy they are favored.

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更新时间:2025/6/17 14:49:51