In a two-dimensional two-component plasma, the second moment of the densitycorrelation function has the simple value {12 pi [1-(gamma/4)]^2}^{-1}, wheregamma is the dimensionless coupling constant. This result is derived by usinganalogies with critical systems.
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机译：在二维两组分等离子体中，密度相关函数的第二阶矩具有简单值{12 pi [1-（gamma / 4）] ^ 2} ^ {-1}，其中gamma是无量纲的耦合常数。该结果是通过对关键系统使用模拟得出的。
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