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Conferences > IQEC > 2004 > ITuF > ITuF5
  • Conference on Lasers and Electro-Optics/International Quantum Electronics Conference and Photonic Applications Systems Technologies
  • Technical Digest (CD) (Optica Publishing Group, 2004),
  • paper ITuF5
  • •https://doi.org/10.1364/IQEC.2004.ITuF5

Observation of coherent superconducting gap excitations in MgB2

C. Aku-Leh, T.A. Eckhause, A.V. Bragas, R. Merlin, X. H. Zeng, A. V. Pogrebnyakov, D. A. Tenne, and X. X. Xi

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Abstract

We report the observation of coherent superconducting gap oscillations in MgB2 films at 3K using time-resolved spectroscopy. Oscillations at frequencies of 124cm−1, 103cm−1 and 56cm−1 were observed. Spontaneous Raman spectra show a gap at 110cm−1.

© 2004 Optical Society of America

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