Solitary waves on finite-size antiferromagnetic quantum Heisenberg spin rings

Details Solitary waves on finite-size antiferromagnetic quantum Heisenberg spin rings Solitary waves on finite-size antiferromagnetic quantum Heisenberg spin rings

2004-09-17

arxiv.org/abs/cond-mat/0409456v3

J. Magn. Magn. Mater. 306 (2006) 79-84

Physics

Condensed Matter

Materials Science

6 pages, 7 figures, to appear in J. Magn. Magn. Mater

Scientific paper

10.1016/j.jmmm.2006.02.109

Motivated by the successful synthesis of several molecular quantum spin rings we are investigating whether such systems can host magnetic solitary waves. The small size of these spin systems forbids the application of a classical or continuum limit. We therefore investigate whether the time-dependent Schroedinger equation itself permits solitary waves. Example solutions are obtained via complete diagonalization of the underlying Heisenberg Hamiltonian.

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