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Analytic evidence of the equivalence of the alternating Heisenberg spin chain to the mixed spin (1, 1/2) Heisenberg chain by Jian-Jun Jiang; Yong-Jun Liu; Fei Tang; Cui-Hong Yang is a Physics and Astronomy article available to read on EtoBox.

What is Analytic evidence of the equivalence of the alternating Heisenberg spin chain to the mixed spin (1, 1/2) Heisenberg chain about?

We investigated the properties of the spin-1/2 ferromagnetic-antiferromagnetic-antiferromagnetic alternating Heisenberg chain using the spin-wave theory. The spin-wave excitation spectra, the sublattice magnetizations and the local bond energies of the model are calculated to be compared with the corresponding properties of the mixed spin (1, 1/2) chain for a range of a. The results demonstrate that all the properties show similar behaviours in the small a limit, so the properties of the mixed spin (1, 1/2) chain can be described using the spin-1/2 ferromagnetic-antiferromagnetic-antiferromagnetic alternating Heisenberg chain.

Who reads Analytic evidence of the equivalence of the alternating Heisenberg spin chain to the mixed spin (1, 1/2) Heisenberg chain?

Author

Jian-Jun Jiang; Yong-Jun Liu; Fei Tang; Cui-Hong Yang

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0921-4526)

Published

2011

Language

EN

Field

Physics and Astronomy (Physical Sciences)