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Journal Article

Competing interactions of spin and lattice in the Kondo lattice model

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Bussmann-Holder,  A.
Former Departments, Max Planck Institute for Solid State Research, Max Planck Society;
Department Nanochemistry (Bettina V. Lotsch), Max Planck Institute for Solid State Research, Max Planck Society;
Department Physical Chemistry of Solids (Joachim Maier), Max Planck Institute for Solid State Research, Max Planck Society;
Department Electronic Structure Theory (Ali Alavi), Max Planck Institute for Solid State Research, Max Planck Society;

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Citation

Gulacsi, M., Bussmann-Holder, A., & Bishop, A. R. (2004). Competing interactions of spin and lattice in the Kondo lattice model. Journal of Superconductivity, 17(1), 167-171.


Cite as: https://hdl.handle.net/21.11116/0000-000E-FEEC-B
Abstract
The magnetic properties of a system of coexisting localized spins and
conduction electrons are investigated within an extended version of the
one-dimensional Kondo lattice model in which effects stemming from the
electron-lattice and on-site Coulomb interactions are explicitly
included. After bosonizing the conduction electrons, is it observed
that intrinsic inhomogeneities with the statistical scaling properties
of a Griffiths phase appear, and determine the spin structure of the
localized impurities. The appearance of the inhomogeneities is enhanced
by appropriate phonons and acts destructively on the spin ordering. The
inhomogeneities appear on well-defined length scales and can be
compared to the formation of intrinsic mesoscopic metastable patterns
which are found in two-fluid systems.