Journal
PHYSICAL REVIEW B
Volume 67, Issue 16, Pages -Publisher
AMERICAN PHYSICAL SOC
DOI: 10.1103/PhysRevB.67.165110
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We report an unconventional temperature dependence of the resistivity in several strongly correlated systems approaching a localized to itinerant electronic transition from the itinerant electron side. The observed (rho-rho(0))proportional toT(3/2) behavior over the entire range of materials discussed cannot be explained within the framework of existing theories. We propose a model in which the scattering of the conduction electrons by locally cooperative bond-length fluctuations in a matrix of vibronic and Fermi-liquid electrons can account for the experimental data.
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