Explicit all-order logarithmic solutions to RG equations for α_s and y_top that resum leading and subleading logs without special functions.
Approximate Analytic Solutions of RG Equations for Yukawa and Soft Couplings in SUSY Models
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abstract
We present simple analytical formulae which describe solutions of the RG equations for Yukawa couplings in SUSY gauge theories with the accuracy of a few per cent. Performing the Grassmannian expansion in these solutions one finds those for all the soft couplings and masses. The solutions clearly exhibit the fixed point behaviour which can be calculated analytically. A comparison with numerical solutions is demonstrated.
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New Solutions of RG Equations for \alpha_s and y_{top}
Explicit all-order logarithmic solutions to RG equations for α_s and y_top that resum leading and subleading logs without special functions.