The Haldane State in CsNiCl3Detected by Magnetization Measurements –Observation of Quantum-Classical Crossover and the Valence Bond Solid State–

1997 ◽  
Vol 66 (2) ◽  
pp. 460-465 ◽  
Author(s):  
Takayuki Asano ◽  
Yoshitami Ajiro ◽  
Mamoru Mekata ◽  
Kenji Kamishima ◽  
Katsuhiko Koui ◽  
...  
2009 ◽  
Vol 79 (11) ◽  
Author(s):  
J. Almeida ◽  
M. A. Martin-Delgado ◽  
G. Sierra

1991 ◽  
Vol 05 (11) ◽  
pp. 741-746
Author(s):  
M. HAGIWARA ◽  
K. KATSUMATA

We have studied the typical spin one linear chain Heisenberg antiferromagnet, Ni ( C 2 H 8 N 2)2 NO 2( ClO 4) containing a small amount of Cu2+ by electron spin resonance (ESR) technique. The ESR results are successfully explained by the model that the valence bonds in the valence bond solid state are broken at the Cu 2+ sites resulting in fractional spin degrees of freedom at the Ni 2+ sites neighboring the Cu 2+.


2008 ◽  
Vol 41 (13) ◽  
pp. 135304 ◽  
Author(s):  
Hosho Katsura ◽  
Takaaki Hirano ◽  
Vladimir E Korepin

1996 ◽  
Vol 54 (13) ◽  
pp. 9000-9003 ◽  
Author(s):  
Hiroki Nakano ◽  
Minoru Takahashi

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