113 citations · 150 across the 8 of their papers we have counts for
8 papers
Anisotropic hybridization in CeRhSn
Thomas U. Böhm, Nicholas S. Sirica, Bo Gyu Jang +6
The optical conductivity of CeRhSn was studied by broadband infrared spectroscopy. Temperature-dependent spectral weight transfer occurs over high energy (eV) and t…
One-dimensionality signature in optical conductivity of heavy-fermion CeIrB
Bo Gyu Jang, Kenneth R. O'Neal, Christopher Lane +7
In low dimensions, the combined effects of interactions and quantum fluctuations can lead to dramatically new physics distinct from that existing in higher dimensions. Here, we inv…
Ultrafast x-ray scattering reveals composite amplitude collective mode in the Weyl charge density wave material (TaSe)I
Quynh L. Nguyen, Ryan A. Duncan, Gal Orenstein +27
We report ultrafast x-ray scattering experiments of the quasi-1D charge density wave (CDW) material (TaSe)I following photoexcitation with femtosecond infrared laser pulses…
Ultrafast Suppression of the Ferroelectric Instability in KTaO
Viktor Krapivin, Mingqiang Gu, D. Hickox-Young +13
We use an x-ray free-electron laser to study the ultrafast lattice dynamics following above band-gap photoexcitation of the incipient ferroelectric potassium-tantalate, \kto. % We…
Disentangling Electronic, Lattice and Spin Dynamics in the Chiral Helimagnet Cr1/3NbS2
N. Sirica, H. Hedayat, D. Bugini +7
We investigate the static and ultrafast magneto-optical response of the hexagonal chiral helimagnet above and below the helimagnetic ordering temperature. The pre…
Ultrafast signatures of spin and orbital order in antiferromagnetic -SrCrO
Min-Cheol Lee, Connor Occhialini, Jiarui Li +6
We used femtosecond optical spectroscopy to study ultrafast spin and orbital ordering dynamics in the antiferromagnetic Mott insulator -SrCrO. This chromate system posse…
Direct Observation of Coherent Longitudinal and Shear Acoustic Phonons in TaAs Using Ultrafast X-ray Diffraction
Min-Cheol Lee, N. Sirica, S. W. Teitelbaum +18
Using femtosecond time-resolved X-ray diffraction, we investigated optically excited coherent acoustic phonons in the Weyl semimetal TaAs. The low symmetry of the (112) surface pro…
Tracking ultrafast photocurrents in the Weyl semimetal TaAs using THz emission spectroscopy
N. Sirica, R. I. Tobey, L. X. Zhao +14
We investigate polarization-dependent ultrafast photocurrents in the Weyl semimetal TaAs using terahertz (THz) emission spectroscopy. Our results reveal that highly directional, tr…