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Optimal truncation procedures in renormalization-group calculations

✍ Scribed by Theodore W. Burkhardt; B. W. Southern


Publisher
Springer
Year
1979
Tongue
English
Weight
548 KB
Volume
20
Category
Article
ISSN
0022-4715

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πŸ“œ SIMILAR VOLUMES


Renormalization group calculations with
✍ G. Abramovici πŸ“‚ Article πŸ“… 2006 πŸ› Elsevier Science 🌐 English βš– 78 KB

We investigate the phase diagram of a ladder system (two chains, with a Hubbard interaction U and an interband coupling t ? ). It is already known [M. Fabrizio, Phys. Rev. B 48 (1993) 15838] that backward interband scattering ðg b Þ plays a particular role in this system. Moreover, some authors (for