Scaling Behavior of Angular Dependent Resistivity in CeCoIn5: Possible Evidence for d-Wave Density Waves
T. Hu, H. Xiao, T. A. Sayles, M. B. Maple, Kazumi Maki, B. Dora, C. C. Almasan
Abstract
In-plane angular dependent resistivity ADR was measured in the non-Fermi liquid regime of CeCoIn5 single crystals at temperatures T 20 K and in magnetic fields H up to 14 T. Two scaling behaviors were identified in low field region where resistivity shows T-linear dependence, separated by a critical angle θc which is determined by the anisotropy of CeCoIn5; i.e., ADR depends only on the perpendicular (parallel) field component below (above) θc. These scaling behaviors and other salient features of ADR are consistent with d-wave density waves.
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