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Title: Orbital non-Fermi-liquid behavior in cubic ruthenates
Authors: Laad, Mukul S.
Bradaric, I.
Kusmartsev, F.V.
Issue Date: 2008
Publisher: © American Physical Society
Citation: LAAD, M.S., BRADRIC, I. and KUSMARTSEV, F.V., 2008. Orbital non-Fermi-liquid behavior in cubic ruthenates. Physical Review Letters, 100 (9), 096402, 4pp.
Abstract: We peruse various anomalous physical responses of the cubic (ferromagnetic SrRuO3 and paramagnetic CaRuO3) ruthenates, such as fractional power-law conductivity, anomalous Raman line shapes, and Hall currents. We show how these exciting power-law observations are naturally described within a new, local (orbital) non-Fermi-liquid state arising from strong, multiorbital Coulomb interactions. Introducing a multiorbital, correlated model treated within the dynamical mean-field theory, we also find two distinct relaxation rates for relaxation of transport in complete agreement with experiment.
Description: This article was published in the journal, Physical Review Letters [© American Physical Society].
Version: Published
DOI: 10.1103/PhysRevLett.100.096402
URI: https://dspace.lboro.ac.uk/2134/12725
Publisher Link: http://dx.doi.org/10.1103/PhysRevLett.100.096402
ISSN: 0031-9007
Appears in Collections:Published Articles (Physics)

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