Physics – Condensed Matter – Strongly Correlated Electrons
Scientific paper
2011-12-23
Phys. Rev. B 85, 020402 (R) (2012)
Physics
Condensed Matter
Strongly Correlated Electrons
5 pages, 3 figures, accepted to be published in Phys. Rev. B as rapid communication
Scientific paper
10.1103/PhysRevB.85.020402
We report soft point-contact spectroscopy studies of URu2Si2 both in the hidder order (HO) and the large-moment antiferromagnetic (LMAF) states accessed by pressure. In the HO state at ambient pressure, the spectroscopy shows two asymmetric peaks around the Fermi energy that emerge below the hidden order temperature T_{HO}. In the LMAF state at higher pressures, the spectra are remarkably similar to those in the HO state, indicating a similar Fermi surface gapping in the HO and LMAF states and providing a new clue to unraveling the puzzling HO state.
Bauer Eric D.
Gofryk Krzysztof
Lü Xiancai
Ronning Filip
Thompson Daniel J.
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