Phys. Rev. B 56, 5355 - 5358 (1997)Ferrimagnetism in a one-dimensional Heisenberg model |
Guang-Shan Tian
Theoretical Physics, Oxford University, Keble Road, Oxford OX1 3NP, United Kingdom
Department of Physics, Peking University, Beijing 100871, China
Received 24 October 1996
In this paper, we show that for a one-dimensional antiferromagnetic Heisenberg model with unequal spins, its absolute ground state has both antiferromagnetic and ferromagnetic long-range orders.
©1997 The American Physical Society
URL: http://link.aps.org/abstract/PRB/v56/p5355
DOI: 10.1103/PhysRevB.56.5355
PACS: 75.10.Jm, 75.50.Gg, 75.50.Ee
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