Pressure-Induced Quantum Criticality in Cr
ORAL
Abstract
Diamond anvil cell high-pressure techniques are used in concert with high resolution magnetic x-ray diffraction to probe the quantum critical regime of the elemental itinerant antiferromagnet Chromium. The antiferromagnetic order is suppressed by an applied pressure of $\sim $6 GPa in the zero-temperature limit. We perform high-resolution measurements of both the charge- and spin-density-wave order parameters as the system is tuned through this magnetic phase transition. The results illustrate the effects of quantum fluctuations and enhanced dimensionality on a canonical correlated electron system.
*Use of the Advanced Photon Source is supported by the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences, under Contract No. W-31-109-ENG-38.
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