Dimensional trend in CePt2In7, Ce-115 compounds, and CeIn3

Details Dimensional trend in CePt2In7, Ce-115 compounds, and CeIn3 Dimensional trend in CePt2In7, Ce-115 compounds, and CeIn3

2010-04-30

arxiv.org/abs/1004.5457v1

Phys. Rev. B 82, 180515 (R) (2010)

Physics

Condensed Matter

Strongly Correlated Electrons

4.8 pages, 5 figures

Scientific paper

We present realistic Kondo-lattice simulation results for the recently-discovered heavy-fermion antiferromagnet CePt2In7 comparing with its three-dimensional counterpart CeIn3 and the less two-dimensional ones, Ce-115's. We find that the distance to the magnetic quantum critical point is the largest for CeIn3 and the smallest for Ce-115's, and CePt2In7 falls in between. We argue that the trend in quasi-two-dimensional materials stems from the frequency dependence of the hybridization between Cerium 4f-electrons and the conduction bands.

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