Partial Kondo screening in frustrated Kondo lattice systems
Yukitoshi Motome, Kyoya Nakamikawa, Youhei Yamaji, and Masafumi, Udagawa
TL;DR
This paper explores how geometrical frustration influences the competition between Kondo screening and magnetic interactions in Kondo lattice systems, revealing a novel partial ordering phase through variational Monte Carlo simulations.
Contribution
It introduces a new quantum phase characterized by partial magnetic order and Kondo screening, highlighting the role of frustration and quantum fluctuations.
Findings
Discovery of a partial ordering quantum phase
Frustration relieves by forming magnetic order on a sublattice
Quantum fluctuations influence spin-charge interplay
Abstract
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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