Mixed Heisenberg chains: I. The ground-state problem
نویسندگان
چکیده
منابع مشابه
Critical Behaviour of Mixed Heisenberg Chains
The critical behaviour of anisotropic Heisenberg models with two kinds of antiferromagnetically exchange-coupled centers are studied numerically by using finite-size calculations and conformal invariance. These models exhibit the interesting property of ferrimagnetism instead of antiferromagnetism. Most of our results are centered in the mixed Heisenberg chain where we have at even (odd) sites ...
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ژورنال
عنوان ژورنال: Journal of Physics: Condensed Matter
سال: 1997
ISSN: 0953-8984,1361-648X
DOI: 10.1088/0953-8984/9/42/017