Band-dependent Quasiparticle Dynamics in Single Crystals of the Ba[subscript 0.6]K[subscript 0.4]Fe[subscript 2]As[subscript 2] Superconductor Revealed by Pump-Probe Spectroscopy
We report on band-dependent quasiparticle dynamics in Ba[subscript 0.6]K[subscript 0.4]Fe[subscript 2]As[subscript 2](Tc=37 K) measured using ultrafast pump-probe spectroscopy. In the superconducting state, we observe two distinct relaxation processes: a fast component whose decay rate increases li...
Main Authors: | , , , , |
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Other Authors: | |
Format: | Article |
Language: | en_US |
Published: |
American Physical Society
2011
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Online Access: | http://hdl.handle.net/1721.1/60703 https://orcid.org/0000-0002-6394-4987 |