Abstract
URu2Si2 exhibits an anomalous peak in the nonlinear magnetic susceptibility at the hidden order transition. In order to investigate this anomaly, we conducted direct magnetization measurements and investigated the detailed angular dependence of the Si29 nuclear magnetic resonance Knight shift tensor. We find that the nonlinear magnetization is smaller than previously reported, and the analogous nonlinear Knight shift tensor is below the detection limit. Our results suggest that the magnitude of the anomalous peak is sample dependent.
| Original language | English |
|---|---|
| Article number | 075138 |
| Journal | Physical Review B |
| Volume | 97 |
| Issue number | 7 |
| DOIs | |
| State | Published - Feb 22 2018 |
| Externally published | Yes |
Funding
We thank G. Kotliar, A. Ramirez, P. Chandra, P. Coleman, and G. Blumberg for enlightening discussions, and K. DeLong, D.Hemer, and P. Klavins for assistance in the laboratory. Work at UC Davis was supported by the NSF under Grant No. DMR-1506961 and the National Nuclear Security Administration under the Stewardship Science Academic Alliances program through DOE Research Grant No. DOE DE-FG52-09NA29464. Research at UCSD was supported by the US Department of Energy, Office of Basic Energy Sciences, Division of Materials Sciences and Engineering under Grant No. DE-FG02-04ER46105. A portion of this work was completed at the Aspen Center for Physics, which is supported by the National Science Foundation Grant No. PHY-1066293. Lawrence Livermore National Laboratory is operated by Lawrence Livermore National Security, LLC, for the US Department of Energy, National Nuclear Security Administration under Contract No. DE-AC52-07NA27344. APPENDIX A: We thank G. Kotliar, A. Ramirez, P. Chandra, P. Coleman, and G. Blumberg for enlightening discussions, and K. DeLong, D.Hemer, and P. Klavins for assistance in the laboratory. Work at UC Davis was supported by the NSF under Grant No. DMR-1506961 and the National Nuclear Security Administration under the Stewardship Science Academic Alliances program through DOE Research Grant No. DOE DE-FG52-09NA29464. Research at UCSD was supported by the US Department of Energy, Office of Basic Energy Sciences, Division of Materials Sciences and Engineering under Grant No. DE-FG02-04ER46105. A portion of this work was completed at the Aspen Center for Physics, which is supported by the National Science Foundation Grant No. PHY-1066293. Lawrence Livermore National Laboratory is operated by Lawrence Livermore National Security, LLC, for the US Department of Energy, National Nuclear Security Administration under Contract No. DE-AC52-07NA27344.