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Dresden 2006 – scientific programme

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TT: Tiefe Temperaturen

TT 25: Correlated Electrons - Poster Session

TT 25.44: Poster

Wednesday, March 29, 2006, 14:30–18:30, P1

Kondo Shadows in Hybrid Magnetic Molecular Solids — •Mikhail Kiselev1 and Konstantin Kikoin21Universität Würzburg, Germany — 2Ben Gurion University, Beer Sheva, Israel

We discuss the properties of layered Anderson/Kondo lattices with metallic electrons confined in 2D xy planes and local spins in insulating layers forming chains in z direction. Each spin in this model possesses its own 2D Kondo cloud, so that the Nozieres’ exhaustion problem does not occur. The high-temperature perturbational description is matched to exact low-T Bethe-ansatz solution. The excitation spectrum of the model is gapless both in charge and spin sectors. The disordered phases and possible experimental realizations of the model are briefly discussed.

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