Journal
PHYSICAL REVIEW LETTERS
Volume 102, Issue 21, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.102.216402
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Funding
- EPSRC
- Royal Society
- I2CAM NSF [DMR-0645461]
- Trinity College Cambridge
- Florida State University
- JSPS [18684020]
- MEXT of Japan [17071003, 19014006]
- EPSRC [EP/D051266/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/D051266/1] Funding Source: researchfish
- Direct For Mathematical & Physical Scien [844115] Funding Source: National Science Foundation
- Division Of Materials Research [844115] Funding Source: National Science Foundation
- Grants-in-Aid for Scientific Research [17071003, 18684020, 19014006] Funding Source: KAKEN
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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.
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