Small phonon contribution to the photoemission kink in the copper oxide superconductors.

Despite over two decades of intense research efforts, the origin of high-temperature superconductivity in the copper oxides remains elusive. Angle-resolved photoemission spectroscopy experiments have revealed a kink in the dispersion relations (energy versus wavevector) of electronic states in the c...

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Autori principali: Giustino, F, Cohen, M, Louie, S
Natura: Journal article
Lingua:English
Pubblicazione: 2008