Abstract
The study of correlated system such as the Hubbard model requires a combination of different techniques in order to derive the relevant physics. Mean field methods, although not recommended in correlated systems, may describe nevertheless some particular situations.
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(1995). New and Old Real-Space Renormalization Group Methods for Quantum Lattice Hamiltonians. In: Quantum Electron Liquids and High-T c Superconductivity. Lecture Notes in Physics Monographs, vol 38. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-47678-8_11
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DOI: https://doi.org/10.1007/978-3-540-47678-8_11
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