Quantum criticality in Ce2PdIn8: thermoelectric study

Details Quantum criticality in Ce2PdIn8: thermoelectric study Quantum criticality in Ce2PdIn8: thermoelectric study

2012-02-18

arxiv.org/abs/1202.4079v1

Phys. Rev. B 84, 115110 (2011)

Physics

Condensed Matter

Strongly Correlated Electrons

5 pages, 3 figures

Scientific paper

10.1103/PhysRevB.84.115110

We report the Nernst effect (v) and thermoelectric power (S) data for the Ce2PdIn8 heavy-fermion compound. Both S and v behave anomalously at low temperatures: the thermopower shows a Kondo-like maximum at T = 37 K, while the Nernst coefficient becomes greatly enhanced and field dependent below T ~ 30 K. In the zero-T limit S/T and v/T diverge logarithmically, what is related to occurrence of the quantum critical point (QCP). Presented results suggest that the antiferromagnetic spin-density-wave scenario may be applicable to QCP in Ce2PdIn8.

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