On the heavy-fermion behavior of the pyrochlore transition-metal oxide $LiV_{2}O_{4}$

Details On the heavy-fermion behavior of the pyrochlore transition-metal oxide $LiV_{2}O_{4}$ On the heavy-fermion behavior of the pyrochlore transition-metal oxide $LiV_{2}O_{4}$

2002-02-28

arxiv.org/abs/cond-mat/0202531v1

Physics

Condensed Matter

Strongly Correlated Electrons

4 pages, 3 figures

Scientific paper

10.1103/PhysRevB.67.033105

Motivated by the heavy fermion Fermi liquid (HFFL) features observed at low-$T$ in the pyrochlore $LiV_{2}O_{4}$, we consider a material-specific model that includes aspects of the local quantum chemistry, the geometrically frustrated lattice structure, and strong correlations in a {\it single} approach. In particular, we show how geometrical frustration (GF) gives rise to a crossover scale, $T^{*}<

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