Ultrafast quasiparticle dynamics of FeTe0.75Se0.25 superconductor

The electron-phonon coupling constant (λ≈0.45) obtained from femtosecond pump-probe reflection measurements suggests that a phonon-mediated process cannot be the dominant mechanism for superconductivity of FeTe0.75Se0.25.

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Bibliographic Details
Main Authors: Katagiri T., Kitajima M., Takeda J., Katayama I., Eda T., Hu J., Kabasawa Y., Sasagawa T., Nakamura K. G.
Format: Conference Proceeding
Language:English
Online Access:Get full text
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Summary:The electron-phonon coupling constant (λ≈0.45) obtained from femtosecond pump-probe reflection measurements suggests that a phonon-mediated process cannot be the dominant mechanism for superconductivity of FeTe0.75Se0.25.
ISSN:2100-014X
DOI:10.1051/epjconf/20134103009