Magnetic excitation spectra of $NaV_2O_5$

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dc.creatorLadavac, K.
dc.creatorKonstantinovic, M. J.
dc.creatorBelic, A.
dc.creatorPopovic, Z. V.
dc.creatorVasil'ev, A. N.
dc.creatorIsobe, M.
dc.creatorUeda, Y.
dc.date1998-06-22
dc.date1998-06-25
dc.date.accessioned2026-07-07T03:10:52Z
dc.date.available2026-07-07T03:10:52Z
dc.descriptionWe present low temperature Raman spectra of $NaV_2O_5$ single crystal. The assignation of the observed modes is done on the basis of Monte Carlo calculation of excited states of Heisenberg dimerized Hamiltonian, without frustration. We found a good agreement between measured and calculated magnetic excitations for $δ=0.048$ and $J=452 K$. The singlet-triplet, singlet-singlet excitations as well as two-magnon mode are observed to be at 66, 127 and 132 cm^{-1}.
dc.description8 pages, Latex, uses iopfts.sty, 4 eps figures, submitted to J. Phys. Cond. Matt., typos in abstract corrected
dc.identifierhttps://arxiv.org/abs/cond-mat/9806258
dc.identifierhttp://arxiv.org/abs/cond-mat/9806258
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/28370
dc.subjectCondensed Matter
dc.titleMagnetic excitation spectra of $NaV_2O_5$
dc.typetext

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