Magnetic excitations in the stripe phase of high-T_c superconductors

G. S. Uhrig; K. P. Schmidt; M. Grüninger

doi:10.1016/j.jmmm.2004.11.230

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Magnetic excitations in the stripe phase of high-T_c superconductors

G. S. Uhrig·K. P. Schmidt·M. Grüninger

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Abstract

The magnetic excitations in the stripe phase of high-T_c superconductors are investigated in a model of spin ladders which are effectively coupled via charged stripes. Starting from the effective single-triplon model for the isolated spin ladder, the quasi-one-dimensional spin system can be described straightforwardly. Very good agreement is obtained with recent neutron scattering data on La_(15/8)Ba_(1/8)CuO_4 (no spin gap) and YBa_2Cu_3O_(6.6) (gapped). The signature of quasi-one-dimensional spin physics in a single-domain stripe phase is predicted.

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G. S. Uhrig, K. P. Schmidt, M. Grüninger. 2004-07-25. Magnetic excitations in the stripe phase of high-T_c superconductors. https://doi.org/10.1016/j.jmmm.2004.11.230

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