Dynamic Jahn-Teller Effect and Colossal Magnetoresistance in La_(1-x)A_xMnO₃
classification
❄️ cond-mat
keywords
dynamiceffectsjahn-tellerxmnoapproximationbehaviorcolossalcoupling
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A model for $La_{1-x}Sr_xMnO_3$ which incorporates the physics of dynamic Jahn-Teller and double-exchange effects is presented and solved via a dynamical mean field approximation. In an intermediate coupling regime the interplay of these two effects is found to reproduce the behavior of the resistivity and magnetic transition temperature observed in $La_{1-x} Sr_x MnO_3$.
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