Digitale Medien
[S.l.]
:
American Institute of Physics (AIP)
Journal of Applied Physics
67 (1990), S. 5616-5616
ISSN:
1089-7550
Quelle:
AIP Digital Archive
Thema:
Physik
Notizen:
We report the results of recent numerical studies of the antiferromagnetic Heisenberg chain with S=1/2, 1, 3/2, and 2. The ground-state energy and the energy gap between the ground state and the first excited state are obtained by using exact diagonalization method on various finite lattices and an improved real-space renormalization method. We discuss our numerical methods and results. Some of our results on the S=1 biquadratic antiferromagnetic model will also be discussed.
Materialart:
Digitale Medien
URL:
http://dx.doi.org/10.1063/1.345902
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