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Critical temperature of a dilute magnetic system with nearest-neighbour and next-nearest-neighbour interactions

✍ Scribed by N. Boccara; A. Ben Youssef; M. Hamedoun

Publisher
Elsevier Science
Year
1979
Tongue
English
Weight
521 KB
Volume
70
Category
Article
ISSN
0375-9601

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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 correction has to be taken into account to get a self similar renormalised Hamiltonian in the presence of n-n-n-interaction. W