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We prove that the reciprocal energy function $E(z)^{-1}$ is plurisuperharmonic on Teichm\\\"uller space. We also obtain the (strict) plurisubharmonicity of $\\log E(z)$ and $E(z)$. 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We prove that the reciprocal energy function $E(z)^{-1}$ is plurisuperharmonic on Teichm\\\"uller space. We also obtain the (strict) plurisubharmonicity of $\\log E(z)$ and $E(z)$. 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