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Showing 1 to 1 of 1 for “"screening approximations"”.
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Critical behavior of the n-vector and charged n-vector models from an exact solution to the screening approximation
Within the screening approximation the n-vector model can be solved exactly. Results for the high temperature phase are presented here. For 1arge n there is the expected agreement with the 1/n expansion results while for small n we explore the nonexistence of a solution in the regime of spatial …