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Raman cross section of spin ladders |
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| Authors: | C. Jurecka V. Grützun A. Friedrich W. Brenig |
| Affiliation: | Institut für Theoretische Physik, Technische Universit?t Braunschweig, 38106 Braunschweig, Germany, DE |
| Abstract: | We demonstrate that a two-triplet resonance strongly renormalizes the Raman spectrum of two-leg spin-ladders and moreover suggest this to be the origin of the asymmetry of the magnetic Raman continuum observed in CaV2O5. Received 25 April 2001 and Received in final form 9 May 2001 |
| Keywords: | PACS. 78.30.-j Infrared and Raman spectra – 75.10.Jm Quantized spin models – 75.50.Ee Antiferromagnetics |
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