Quantum Oscillations in the Underdoped Cuprate YBa2Cu4O8

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dc.creatorYelland, E. A.
dc.creatorSingleton, J.
dc.creatorMielke, C. H.
dc.creatorHarrison, N.
dc.creatorBalakirev, F. F.
dc.creatorDabrowski, B.
dc.creatorCooper, J. R.
dc.date2007-06-30
dc.date2008-02-04
dc.date.accessioned2026-07-07T09:18:06Z
dc.date.available2026-07-07T09:18:06Z
dc.descriptionWe report the observation of quantum oscillations in the underdoped cuprate superconductor YBa2Cu4O8 using a tunnel-diode oscillator technique in pulsed magnetic fields up to 85T. There is a clear signal, periodic in inverse field, with frequency 660+/-15T and possible evidence for the presence of two components of slightly different frequency. The quasiparticle mass is m*=3.0+/-0.3m_e. In conjunction with the results of Doiron-Leyraud et al. for YBa2Cu3O6.5, the present measurements suggest that Fermi surface pockets are a general feature of underdoped copper oxide planes and provide information about the doping dependence of the Fermi surface.
dc.descriptionContains revisions addressing referees' comments including a different Fig 1b. 4 pages, 4 figures
dc.identifierhttps://arxiv.org/abs/0707.0057
dc.identifierhttp://arxiv.org/abs/0707.0057
dc.identifierPhys. Rev. Lett. 100, 047003 (2008)
dc.identifierdoi:10.1103/PhysRevLett.100.047003
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/153906
dc.subjectSuperconductivity
dc.subjectStrongly Correlated Electrons
dc.titleQuantum Oscillations in the Underdoped Cuprate YBa2Cu4O8
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