Physics – Condensed Matter
Scientific paper
1995-10-02
Physics
Condensed Matter
9 pages, TeX and 3 post script figures. to appear in J. Phys. Soc. Jpn
Scientific paper
10.1143/JPSJ.64.4084
The authors propose a fast numerical renormalization group method --- the product wave function renormalization group (PWFRG) method --- for 1D quantum lattice models and 2D classical ones. A variational wave function, which is expressed by a matrix product, is improved through a self-consistent calculation. The new method has the same fixed point as the density matrix renormalization group method.
Nishino Tomotoshi
Okunishi Kouichi
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