Spin excitations in fluctuating stripe phases of doped cuprate superconductors

Matthias Vojta, Thomas Vojta, Ribhu K. Kaul

Research output: Contribution to journalArticlepeer-review

84 Scopus citations

Abstract

Using a phenomenological lattice model of coupled spin and charge modes, we determine the spin susceptibility in the presence of fluctuating stripe charge order. We assume the charge fluctuations to be slow compared to those of the spins, and combine Monte Carlo simulations for the charge order parameter with exact diagonalization of the spin sector. Our calculations unify the spin dynamics of both static and fluctuating stripe phases and support the notion of a universal spin excitation spectrum in doped cuprate superconductors.

Original languageEnglish
Article number097001
JournalPhysical Review Letters
Volume97
Issue number9
DOIs
StatePublished - 2006

ASJC Scopus subject areas

  • General Physics and Astronomy

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