Effect of the pseudogap on the Hall conductivity in underdoped YBa_2Cu_3O_6+x

Details Effect of the pseudogap on the Hall conductivity in underdoped YBa_2Cu_3O_6+x Effect of the pseudogap on the Hall conductivity in underdoped YBa_2Cu_3O_6+x

1999-03-07

arxiv.org/abs/cond-mat/9903123v2

Physics

Condensed Matter

Superconductivity

4 pages in RevTex, 4 eps figures, changed content

Scientific paper

In underdoped YBa_2Cu_3O_x (YBCO) with x = 6.63, the opening of the pseudogap at T^* ~ 160 K has a strong effect on the Hall angle tan(theta). While the Hall response is significantly reduced, the diagonal current is relatively unaffected. The Hall conductivity suppression continues deep into the flux-flow state (from T_c to 40 K), as an anomalous suppression of the vortex Hall current.

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