Partial Kondo screening in frustrated Kondo lattice systems

Details Partial Kondo screening in frustrated Kondo lattice systems Partial Kondo screening in frustrated Kondo lattice systems

2010-06-17

arxiv.org/abs/1006.3386v2

Phys. Rev. Lett. 105, 036403 (2010)

Physics

Condensed Matter

Strongly Correlated Electrons

5 pages, 4 figures, accepted for the publication in Phys. Rev. Lett.; (v2) minor corrections

Scientific paper

We investigate the effect of geometrical frustration on the competition between the Kondo coupling and the Ruderman-Kittel-Kasuya-Yosida interaction in Kondo lattice systems. By variational Monte Carlo simulations, we reveal an emergent quantum phase with partial ordering in which the frustration is relieved by forming a magnetic order on a sublattice and leaving the rest in the Kondo screening with spin-singlet formation. The role of quantum fluctuations and spin-charge interplay is elucidated.

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