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Electron-phonon coupling in high-temperature cuprate superconductors determined from electron relaxation rates (Articolo in rivista)
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- Electron-phonon coupling in high-temperature cuprate superconductors determined from electron relaxation rates (Articolo in rivista) (literal)
- Anno
- 2010-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1103/PhysRevLett.105.257001 (literal)
- Alternative label
Gadermaier, C. (4); Alexandrov, A. S. (4); Kabanov, V. V. (4); Kusar, P. (4); Mertelj, T. (4); Yao, X. (3); Manzoni, C. (1); Brida, D. (1); Cerullo, G. (1); Mihailovic, D. (4) (2010)
Electron-phonon coupling in high-temperature cuprate superconductors determined from electron relaxation rates
in Physical review letters (Print)
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Gadermaier, C. (4); Alexandrov, A. S. (4); Kabanov, V. V. (4); Kusar, P. (4); Mertelj, T. (4); Yao, X. (3); Manzoni, C. (1); Brida, D. (1); Cerullo, G. (1); Mihailovic, D. (4) (literal)
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- http://prl.aps.org/abstract/PRL/v105/i25/e257001 (literal)
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- (1) National Laboratory for Ultrafast and Ultraintense Optical Science - INFM-CNR; (2) Department of Physics - Loughborough University; (3) Department of Physics - Shanghai Jiao Tong University; (4) Department of Complex Matter - Jozef Stefan Institute (literal)
- Titolo
- Electron-phonon coupling in high-temperature cuprate superconductors determined from electron relaxation rates (literal)
- Abstract
- We determined electronic relaxation times via pump-probe optical spectroscopy using sub-15 fs pulses for the normal state of two different cuprate superconductors. We show that the primary relaxation process is the electron-phonon interaction and extract a measure of its strength, the second moment of the Eliashberg function lambda = 800 +/- 200 meV(2) for La(1.85)Sr(0.15)CuO(4) and lambda = 400 +/- 100 meV(2) for YBa(2)Cu(3)O(6.5). These values suggest a possible fundamental role of the electron-phonon interaction in the superconducting pairing mechanism. (literal)
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