Physics – Condensed Matter – Strongly Correlated Electrons
Scientific paper
1998-06-18
Physica B 259-261 (1999) 978-980
Physics
Condensed Matter
Strongly Correlated Electrons
Revtex, 2 pages, 1 postscript picture embedded in the text
Scientific paper
10.1016/S0921-4526(98)00648-6
We discuss the symmetry of NaV2O5 in the high temperature phase on the basis of optical conductivity data. Conclusive information cannot be obtained by studying the optically allowed lattice vibrations. However, intensity and polarization of the electronic excitations give a direct indication for a broken-parity electronic ground-state. This is responsible for the detection of charged bi-magnons in the optical spectrum.
Damascelli Andrea
der Marel Dirk van
Dhalenne Guy
Jegoudez J.
Revcolevschi Alexandre
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