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Concentration dependence of the spin diffusion constant for a diluted Heisenberg magnet

โœ Scribed by J.W. Tucker

Publisher
Elsevier Science
Year
1978
Tongue
English
Weight
166 KB
Volume
67
Category
Article
ISSN
0375-9601

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๐Ÿ“œ SIMILAR VOLUMES

Invariant Hermitian operator and geometr
Invariant Hermitian operator and geometric phase for the Heisenberg spin system in a time-dependent magnetic field
โœ Fengli Yan; Linguang Yang; Bozang Li ๐Ÿ“‚ Article ๐Ÿ“… 1999 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 54 KB

An invariant Hermitian operator is constructed for the Heisenberg spin system in a time-dependent magnetic field. Using it we obtain the general solution of the Schrodinger equation for this system. By virtue of the general solution, the geometric phase of Pancharatnam type is worked out.