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Macroscopic stochastic fluctuations in a one-dimensional mechanical system

โœ Scribed by Errico Presutti; W. David Wick


Publisher
Springer
Year
1988
Tongue
English
Weight
321 KB
Volume
51
Category
Article
ISSN
0022-4715

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๐Ÿ“œ SIMILAR VOLUMES


One-dimensional spin fluctuations in a t
โœ J.F. DiTusa; S-W. Cheong; C. Broholm; G. Aeppli; L.W. Rupp Jr.; B. Batlogg ๐Ÿ“‚ Article ๐Ÿ“… 1994 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 137 KB

We use inelastic neutron scattering from polycrystalhne Y2BaNiOs and Y2BaNio.9sZno.0405 specimens to demonstrate that the spin fluctuations in this compound are one-dimensional. In addition they are gapped, in accord with the S=I nature of the Ni 2+ and the Haidane conjecture. The gap remains well d