Back to overview

Coupling of a high-energy excitation to superconducting quasiparticles in a cuprate from coherent charge fluctuation spectroscopy

Type of publication Peer-reviewed
Publikationsform Original article (peer-reviewed)
Publication date 2013
Author B. Mansart, J. Lorenzana, A. Mahn, A. Odeh, M. Scarongella, M. Chergui, F. Carbone,
Project The dynamics of chemical bonds by ultrafast electron diffraction
Show all

Original article (peer-reviewed)

Journal PNAS
Volume (Issue) 110
Page(s) 4539
Title of proceedings PNAS

Open Access

Type of Open Access Website


In this article, we report the coherent oscillations of the superconducting condensate in a high temperature superconductor. We observe their resonance to the charge-transfer energy scale, indicating a substantial non-retarded contribution to the pairing mechanism.