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Showing 2005 · cond-mat.stat-mechShow all
2 papers · 2 filters
cond-mat.stat-mech2005★ 43 cited
Second order quantum renormalisation group of XXZ chain with next nearest neighbour interactions
R. Jafari, A. Langari
We have extended the application of quantum renormalisation group (QRG) to the anisotropic Heisenberg model with next-nearest neighbour (n-n-n) interaction. The second order correc…
cond-mat.stat-mech2005★ 50 cited
Localization of elastic waves in heterogeneous media with off-diagonal disorder and long-range correlations
F. Shahbazi, Alireza Bahraminasab, S. Mehdi Vaez Allaei +2
Using the Martin-Siggia-Rose method, we study propagation of acoustic waves in strongly heterogeneous media which are characterized by a broad distribution of the elastic constants…