Theory of Anisotropic Hopping Transport due to Spiral Correlations in the Spin-Glass Phase of Underdoped Cuprates

Abstract

We study the in-plane resistivity anisotropy in the spin-glass phase of the high-$T_c$ cuprates, on the basis of holes moving in a spiral spin background. This picture follows from analysis of the extended $t-J$ model with Coulomb impurities. In the variable-range hopping regime the resistivity anisotropy is found to have a maximum value of around 90%, and it decreases with temperature, in excellent agreement with experiments in La${}_{2-x}$Sr${}_x$CuO${}_4$. In our approach the transport anisotropy is due to the non-collinearity of the spiral spin state, rather than an intrinsic tendency of the charges to self-organize.

arXiv comment5 pages, 4 figures; expanded version

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Cited by in corpus (7)

• Electronic liquid crystal state in the high-temperature superconductor YBCO(6.45)
• Neutron scattering study of the magnetic phase diagram of underdoped YBa(2)Cu(3)O(6+x)
• Local spin spirals in the Neel phase of La_{2-x}Sr_xCuO_4
• Symmetry Analysis of Holes Localized on a Skyrmion in a Doped Antiferromagnet
• Negative Hopping Magnetoresistance and Dimensional Crossover in Lightly Doped Cuprate Superconductors
• Anisotropies in insulating La${}_{2-x}$Sr${}_x$CuO${}_4$: angular resolved photoemission and optical absorption
• AC Hopping Magnetotransport Across the Spin Flop Transition in Lightly Doped La_2CuO_4