Magnetic Structure and NMR signal of Spin Peierls Solitons

Details Magnetic Structure and NMR signal of Spin Peierls Solitons Magnetic Structure and NMR signal of Spin Peierls Solitons

1998-02-23

arxiv.org/abs/cond-mat/9802245v1

Physics

Condensed Matter

Strongly Correlated Electrons

7 pages, 6 figures

Scientific paper

We compute the magnetic profile of spin Peierls solitons in a simple Heisenberg model with magneto elastic couplings, using independently the DMRG method and the Hartree Fock approximation. Our results agree qualitatively with published NMR data provided we average over the spin profiles. We conclude that he dynamics of the spin plus lattice system must be included in a more detailed theory of the spin Peierls transition in CuGeO.

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