Wavelet-induced renormalization group for the Landau-Ginzburg model

Abstract

The scale hierarchy of wavelets provides a natural frame for renormalization. Expanding the order parameter of the Landau-Ginzburg/${\Phi }^4$ model in a basis of compact orthonormal wavelets explicitly exhibits the coupling between scales that leads to non-trivial behavior. The locality properties of Daubechies' wavelets enable us to derive the qualitative renormalization flow of the Landau-Ginzburg model from Gaussian fluctuations in wavelet space.

LATTICE99(Renormalization), LaTeX, 3 pages

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• Hamiltonian Flow Equations in Daubechies Wavelet Basis
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