1995 Volume 64 Issue 11 Pages 4084-4087
We propose a fast numerical renormalization group method-the productwave function renormalization group (PWFRG) method-for 1D quantumlattice models and 2D classical ones. A variational wave function, which is expressed as a matrix product, is improved through aself-consistent calculation. The new method has the same fixed pointas the density matrix renormalization group method.
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