Populated Domain Walls

Abstract

Several experiments suggest that the charge carriers in the normal state of certain cuprate superconductors reside on domain walls. In an earlier paper, we suggested that several aspects of the anomalous dynamical behavior of these materials could be explained, at least qualitatively, on this basis. Here, using results on the ground state energy of the 1-dimensional Hubbard model (soluble by Bethe ansatz techniques) as a function of charge density, we argue that a non-zero charge density localized to domain walls is a very plausible consequence of strong short-range electron-electron repulsion. We also suggest a method to suppress meandering of the walls, and thereby enhance their signature in neutron diffraction.

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References in corpus (2)

• Doped planar quantum antiferromagnets with striped phases
• Possible Electronic Structure of Domain Walls in Mott Insulators

Cited by in corpus (36)

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• Density Wave States of Non-Zero Angular Momentum
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• Quantum Monte Carlo Study of Weakly Coupled Spin Ladders
• Quasi-One-Dimensional Topological-Excitation Liquid in Bi2212 from Tunneling Spectroscopy
• iPEPS study of spin symmetry in the doped $t$-$J$ model
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• Quantum melting of incommensurate domain walls in two dimensions
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• The Mechanism of High-Tc Superconductivity: "Nonlinear" Superconductivity
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