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Evidence for pairing above the transition temperature of cuprate superconductors from the electronic dispersion in the pseudogap phase
In the underdoped high temperature superconductors, instead of a complete Fermi surface above Tc, only disconnected Fermi arcs appear, separated by regions that still exhibit an energy gap. We show that in this pseudogap phase, the energy-momentum relation of electronic excitations near EF behaves l...
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| Published in: | Physical review letters 2008-09, Vol.101 (13), p.137002-137002, Article 137002 |
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| Main Authors: | , , , , , , |
| Format: | Article |
| Language: | English |
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| cited_by | cdi_FETCH-LOGICAL-c445t-8868b0c58786074b454291083f8caaebfbe86bd387e4361768e7c6d4372c644d3 |
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| cites | cdi_FETCH-LOGICAL-c445t-8868b0c58786074b454291083f8caaebfbe86bd387e4361768e7c6d4372c644d3 |
| container_end_page | 137002 |
| container_issue | 13 |
| container_start_page | 137002 |
| container_title | Physical review letters |
| container_volume | 101 |
| creator | Kanigel, A Chatterjee, U Randeria, M Norman, M R Koren, G Kadowaki, K Campuzano, J C |
| description | In the underdoped high temperature superconductors, instead of a complete Fermi surface above Tc, only disconnected Fermi arcs appear, separated by regions that still exhibit an energy gap. We show that in this pseudogap phase, the energy-momentum relation of electronic excitations near EF behaves like the dispersion of a normal metal on the Fermi arcs, but like that of a superconductor in the gapped regions. We argue that this dichotomy in the dispersion is difficult to reconcile with a competing order parameter, but is consistent with pairing without condensation. |
| doi_str_mv | 10.1103/physrevlett.101.137002 |
| format | article |
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| fulltext | fulltext |
| identifier | ISSN: 0031-9007 |
| ispartof | Physical review letters, 2008-09, Vol.101 (13), p.137002-137002, Article 137002 |
| issn | 0031-9007 1079-7114 |
| language | eng |
| recordid | cdi_osti_scitechconnect_940951 |
| source | American Physical Society:Jisc Collections:APS Read and Publish 2023-2025 (reading list) |
| subjects | CUPRATES ENERGY GAP FERMI LEVEL HIGH-TC SUPERCONDUCTORS MATERIALS SCIENCE ORDER PARAMETERS TRANSITION TEMPERATURE |
| title | Evidence for pairing above the transition temperature of cuprate superconductors from the electronic dispersion in the pseudogap phase |
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