Real-Space Renormalization Group Method Applied to Quantum Lattice Hamiltonians
arXiv:cond-mat/9610196 · doi:10.1007/BFb0104639
Abstract
I review recent work and some new results, performed in collaboration with G. Sierra, on the Real-Space Renormalization group method applied to quantum spin lattice systems mainly in spatial dimensions one and two, and to spin ladders which are somehow in between. The first part of these notes is devoted to non-interacting systems in 1D and 2D and the role played by the correlations between blocks. The second part comprises interacting systems in 1D, spin ladders and 2D using the standard BRG method.
Revtex file, 60 pages plus 3 new ps figures. To appear in Proc. of El Escorial Summer School 1996 on Strongly Correlated Magnetic And Superconducting Systems.
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