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Role of f electrons in the Fermi surface of the heavy fermion superconductor beta-YbAlB4.

O'Farrell, EC and Tompsett, DA and Sebastian, SE and Harrison, N and Capan, C and Balicas, L and Kuga, K and Matsuo, A and Kindo, K and Tokunaga, M and Nakatsuji, S and Csányi, G and Fisk, Z and Sutherland, ML (2009) Role of f electrons in the Fermi surface of the heavy fermion superconductor beta-YbAlB4. Phys Rev Lett, 102. 216402-. ISSN 0031-9007

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Abstract

We present a detailed quantum oscillation study of the Fermi surface of the recently discovered Yb-based heavy fermion superconductor beta-YbAlB4. We compare the data, obtained at fields from 10 to 45 T, to band structure calculations performed using the local density approximation. Analysis of the data suggests that f holes participate in the Fermi surface up to the highest magnetic fields studied. We comment on the significance of these findings for the unconventional superconducting properties of this material.

Item Type: Article
Subjects: UNSPECIFIED
Divisions: Div C > Applied Mechanics
Depositing User: Cron Job
Date Deposited: 07 Mar 2014 11:41
Last Modified: 10 Nov 2014 01:05
DOI: