Using the linear response theory and the concept of off-diagonal long-range order, the Kramers–Kronig relations for the dielectric permittivity of a disordered Coulomb system in the presence of a single-component Bose–Einstein condensate for nuclei are obtained.

中文翻译：

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具有单种玻色-爱因斯坦凝聚体的库仑系统介电常数的 Kramers-Kronig 关系

使用线性响应理论和非对角长程有序的概念，获得了在存在单组分玻色-爱因斯坦凝聚体的情况下无序库仑系统介电常数的 Kramers-Kronig 关系。