Effects of the B  ij  S  x    i  S  x    j   Interaction on the IMTF's Dynamics | Zendy

Borges A. T. | Zendy; Ribeiro L. A. Amarante | Zendy

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Effects of the B ij S x i S x j Interaction on the IMTF's Dynamics

Author(s) -

Borges A. T.,

Ribeiro L. A. Amarante

Publication year - 1984

Publication title -

physica status solidi (b)

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.51

H-Index - 109

eISSN - 1521-3951

pISSN - 0370-1972

DOI - 10.1002/pssb.2221240238

Subject(s) - ising model , physics , spectral line , relaxation (psychology) , field (mathematics) , atomic physics , condensed matter physics , crystallography , quantum mechanics , mathematics , chemistry , pure mathematics , psychology , social psychology

Additively to the Ising model in a transverse field (IMTF) an interaction B ij S i xS j xis considered. For a S = 1/2 three‐dimensional cubic latticethe longitudinal relaxation shape function is calculated by means of Mori's continued‐fraction representation in a three‐pole approximation. The effects of this new term on the fluctuation spectra are studied for T > T c and the results compared with those obtained for the pure IMTF.

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