Effect of the additional second neighbor hopping on the spin dynamics in the t-J model

Details Effect of the additional second neighbor hopping on the spin dynamics in the t-J model Effect of the additional second neighbor hopping on the spin dynamics in the t-J model

2000-06-06

arxiv.org/abs/cond-mat/0006081v1

Physics

Condensed Matter

Strongly Correlated Electrons

6 pages, Latex, Two figures are included, accepted for publication in the Proceedings of International Conference on Materials

Scientific paper

The effect of the additional second neighbor hopping t' on the spin dynamics in the t-J model is studied within the fermion-spin theory. Although the additional second neighbor hopping t' is systematically accompanied with the reduction of the dynamical spin structure factor and susceptibility, the qualitative behaviors of the dynamical spin structure factor and susceptibility are the same as in the case of t-J model. It is also shown that the integrated dynamical spin structure factor is almost t' independent in the underdoped regime.

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