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Paper detail

Mottness scenario for non-Fermi liquid behavior in the periodic Anderson model within Dynamical Mean Field Theory

We study the Mott metal-insulator transition in the Periodic Anderson Model within Dynamical Mean Field Theory (DMFT). Near the quantum transition, we find a non-Fermi liquid metallic state down to a vanishing temperature scale. We identify the origin of the non-Fermi liquid behavior as due to magnetic scattering of the doped carriers by the localized moments. The non-Fermi liquid state can be tuned by either doping or external magnetic field. Our results show that the coupling to spatial magnetic fluctuations (absent in DMFT) is not a prerequisite to realize a non-Fermi liquid scenario for heavy fermion systems.

preprint2008arXivOpen access
A. AmaricciG. SordiM. J. Rozenberg
cond-mat.str-el
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A. AmaricciG. SordiM. J. Rozenberg

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