| Magnetic quantum oscillations in YBa2Cu3O6.61 and YBa2Cu3O6.69 in fields of up to 85 T: patching the hole in the roof of the superconducting dome. | |
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MedLine Citation:
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PMID: 20366955 Owner: NLM Status: PubMed-not-MEDLINE |
Abstract/OtherAbstract:
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We measure magnetic quantum oscillations in the underdoped cuprates YBa2Cu3O6+x with x=0.61, 0.69, using fields of up to 85 T. The quantum-oscillation frequencies and effective masses obtained suggest that the Fermi energy in the cuprates has a maximum at hole doping p approximately 0.11-0.12. On either side, the effective mass may diverge, possibly due to phase transitions associated with the T=0 limit of the metal-insulator crossover (low-p side), and the postulated topological transition from small to large Fermi surface close to optimal doping (high p side). |
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Authors:
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John Singleton; Clarina de la Cruz; R D McDonald; Shiliang Li; Moaz Altarawneh; Paul Goddard; Isabel Franke; Dwight Rickel; C H Mielke; Xin Yao; Pengcheng Dai |
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Publication Detail:
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Type: Journal Article Date: 2010-02-25 |
Journal Detail:
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Title: Physical review letters Volume: 104 ISSN: 1079-7114 ISO Abbreviation: Phys. Rev. Lett. Publication Date: 2010 Feb |
Date Detail:
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Created Date: 2010-04-06 Completed Date: 2010-06-24 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0401141 Medline TA: Phys Rev Lett Country: United States |
Other Details:
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Languages: eng Pagination: 086403 Citation Subset: - |
Affiliation:
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National High Magnetic Field Laboratory, Los Alamos National Laboratory, MS-E536, Los Alamos, New Mexico 87545, USA. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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