Violation of the Onsager relation for quantum oscillations in superconductors
Name
Chen-2009-Violation of the Ons.pdf
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Author(s)
Chen, Kuang-Ting
Lee, Patrick A.
Date Issued
May 2009
Journal
Physical Review B
Publisher
American Physical Society
Citation
Chen, Kuang-Ting , and Patrick A. Lee. “Violation of the Onsager relation for quantum oscillations in superconductors.” Physical Review B 79.18 (2009): 180510. © 2009 The American Physical Society
Version
Final published version
Abstract
We numerically study the quantum oscillations in superconducting vortex-mixed states with d-wave pairing. We show that in the parameter range of an underdoped cuprate superconductor, the commonly held assumption that the period is given by the underlying Fermi-surface area using the Onsager relation becomes invalid. Using this result, we conclude that the interpretation of the recent experimental data on YBCO as a signal of an underlying Fermi surface with four hole pockets created by a (π,π) folding cannot be ruled out.
MIT Department
Massachusetts Institute of Technology. Department of Physics
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DOI of Published Version
http://dx.doi.org/10.1103/PhysRevB.79.180510
