Journal
PHYSICAL REVIEW B
Volume 81, Issue 6, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.81.064519
Keywords
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Funding
- NSERC of Canada
- Canadian Institute for Advanced Research
- Canada Research Chair
- NSF [PHY05-51164]
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The recent confirmation of closed Fermi surface in the high-temperature cuprates via de Haas-van Alphen and Shubnikov-de Haas oscillations calls for a theoretical investigation of the origin of such oscillations. We study de Haas-van Alphen oscillations and magnetic breakdown in the context of ortho-II high-temperature cuprates to understand the origin of the multiple frequencies. We find that the magnetic breakdown is highly sensitive not only to the ortho-II potential but also to the Fermi-surface topology and is thus useful to distinguish between various theoretical proposals related to quantum oscillations.
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