Raman Scattering cross section of Spin Ladders

Details Raman Scattering cross section of Spin Ladders Raman Scattering cross section of Spin Ladders

2000-02-16

arxiv.org/abs/cond-mat/0002257v1

Phys. Rev. B 62 p. 8622 (2000)

Physics

Condensed Matter

Strongly Correlated Electrons

RevTeX, 4 pages, 2 EPS Figures

Scientific paper

10.1103/PhysRevB.62.8622

The Raman scattering spectra from magnetic excitations in an antiferromagnetic spin-1/2 two leg ladder is investigated for weak and strong interladder coupling. In the first case, a cusp in the Raman intensityis obtained at a frequency twice the gap. In the second case, a peak at twice the gap replaces the cusp. We discuss the relevance of our calculation to recent experiments on CaV2O5 and Sr14Cu24O41.

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