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cond-mat2001★ 2 cited
Two-Loop Effective Potential of O(N)-Symmetric Scalar QED in 4-epsilon Dimensions
H. Kleinert, B. Van den Bossche
The effective potential of scalar QED is computed analytically up to two loops in the Landau gauge. The result is given in 4-epsilon dimensions using minimal subtraction and epsilo…
cond-mat2000
Three-loop critical exponents, amplitude functions, and amplitude ratios from variational perturbation theory
H. Kleinert, B. Van den Bossche
We use variational perturbation theory to calculate various universal amplitude ratios above and below T_c in minimally subtracted phi^4-theory with N components in three dimension…