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High resolution study of magnetic ordering at absolute zero

Lee, M. and Husmann, A. and Rosenbaum, T. F. and Aeppli, G. (2004) High resolution study of magnetic ordering at absolute zero. Physical Review Letters, 92 (18). Art. No. 187201. ISSN 0031-9007. doi:10.1103/PhysRevLett.92.187201.

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High resolution pressure measurements in the zero-temperature limit provide a unique opportunity to study the behavior of strongly interacting, itinerant electrons with coupled spin and charge degrees of freedom. Approaching the precision that has become the hallmark of experiments on classical critical phenomena, we characterize the quantum critical behavior of the model, elemental antiferromagnet chromium, lightly doped with vanadium. We resolve the sharp doubling of the Hall coefficient at the quantum critical point and trace the dominating effects of quantum fluctuations up to surprisingly high temperatures.

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Additional Information:© 2004 The American Physical Society. (Received 12 January 2004; published 6 May 2004). We are grateful to P. Coleman, A. J. Millis, and M. Norman for illuminating discussions. The work at the University of Chicago was supported by the National Science Foundation under Grant No. DMR-0114798.
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Issue or Number:18
Classification Code:PACS numbers: 75.40.Cx, 71.27.+a, 75.30.Fv
Record Number:CaltechAUTHORS:20140707-163028757
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:46954
Deposited By: George Porter
Deposited On:14 Jul 2014 18:13
Last Modified:10 Nov 2021 17:32

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