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Spiral Spin Order and Transport Anisotropy in Underdoped Cuprates

We discuss the spiral spin density wave model and its application to explain properties of underdoped La2-xSrxCuO4. We argue that the spiral picture is theoretically well justified in the context of the extended t - J model, and then show that it can explain a number of observed features, such as th...

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Bibliographic Details
Main Authors: Kotov, Valeri N, Sushkov, Oleg P
Format: Conference Proceeding
Language:English
Online Access:Get full text
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Summary:We discuss the spiral spin density wave model and its application to explain properties of underdoped La2-xSrxCuO4. We argue that the spiral picture is theoretically well justified in the context of the extended t - J model, and then show that it can explain a number of observed features, such as the location and symmetry of the incommensurate peaks in the elastic neutron scattering as well as the in-plane resistivity anisotropy. A consistent description of the low doping region (below 10% or so) emerges from the spiral formulation, in which the holes show no tendency towards any type of charge order and the physics is purely spin driven.
ISSN:0094-243X
DOI:10.1063/1.2178036