Signatures of phase transitions in the microwave response of YbRh2Si2
Signatures of phase transitions in the microwave response of YbRh2Si2
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YbRh2Si2 微波响应中的相变特征
DOI:
10.1016/j.phpro.2015.12.040
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发表时间:
2015
期刊:
影响因子:
--
通讯作者:
Marc Scheffler
中科院分区:
文献类型:
--
作者:
Katja Parkkinen;Martin Dressel;Kristin Kliemt;Cornelius Krellner;Christoph Geibel;Frank Steglich;Marc Scheffler
We used a spectroscopic microwave technique utilizing superconducting stripline resonators at frequencies between 3 GHz and 15 GHz to examine the charge dynamics of YbRh2Si2 at temperatures and magnetic fields close to the quantum critical point. The different electronic phases of this heavy-fermion compound, in particular the antiferromagnetic, Fermi-liquid, and non-Fermi-liquid regimes, were probed with temperature-dependent microwave measurements between 40 mK and 600 mK at a set of different magnetic fields up to 140 mT. Signatures of phase transitions were observed, which give information about the dynamic response of this peculiar material that exhibits field-tuned quantum criticality and pronounced deviations from Fermi-liquid theory.
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影响因子:
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期刊:
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DOI:
10.1002/pssb.201200925
发表时间:
2013
期刊:
physica status solidi (b)
影响因子:
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作者:
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通讯作者:
Frank Steglich
DOI:
10.7566/jpscp.3.012016
发表时间:
2014
期刊:
arXiv: Strongly Correlated Electrons
影响因子:
--
作者:
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通讯作者:
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