35 citations · 92 across the 6 of their papers we have counts for
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cond-mat.str-el2012★ 14 cited
Acoustic and optical phonon dynamics from femtosecond time-resolved optical spectroscopy of superconducting iron pnictide Ca(Fe_0.944Co_0.056)_2As_2
Sunil Kumar, L. Harnagea, S. Wurmehl +2
We report temperature evolution of coherently excited acoustic and optical phonon dynamics in superconducting iron pnictide single crystal Ca(Fe_0.944Co_0.056)_2As_2 across the spi…
cond-mat.str-el2012★ 5 cited
Ultrafast quasiparticle dynamics in superconducting iron pnictide CaFe1.89Co0.11As2
Sunil Kumar, L. Harnagea, S. Wurmehl +2
Nonequilibrium quasiparticle relaxation dynamics is reported in superconducting CaFe1.89Co0.11As2 single crystal using femtosecond time-resolved pump-probe spectroscopy. The carrie…
cond-mat.str-el2012★ 5 cited
Gap-dependent quasiparticle dynamics and coherent acoustic phonons in parent iron pnictide CaFe2As2 across the spin density wave phase transition
Sunil Kumar, L. Harnagea, S. Wurmehl +2
We report ultrafast quasiparticle (QP) dynamics and coherent acoustic phonons in undoped CaFe_2As_2 iron pnictide single crystals exhibiting spin-density wave (SDW) and concurrent…