Physics – Condensed Matter – Superconductivity
Scientific paper
2011-01-18
Phys. Rev. B 83, 144422 (2011)
Physics
Condensed Matter
Superconductivity
19 pages, 17 figures
Scientific paper
10.1103/PhysRevB.83.144422
The success of models of coupled two-leg spin ladders in describing the magnetic excitation spectrum of La_{2-x}Ba_xCuO_4 had been interpreted previously as evidence for bond-centered stripes. In a recent article, however, we have determined the magnetic coupling induced by the charge stripes between bond- or site-centered spin stripes modeled by two- or three-leg ladders, respectively. We found that only the site-centered models order. We further indicated excellent agreement of a fully consistent analysis of coupled three-leg ladders using a spin wave theory of bond with the experimental data. Here, we provide a full and detailed account of this analysis.
Greiter Martin
Schmidt Holger
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