"Probing Short- and Long-range Stripe Correlations in a Nickelate via Multi-THz Spectroscopy"

G. Coslovich: W.-S. Lee, H. A. Bechtel, M. C. Martin, T. Sasagawa, Z.-X. Shen, and R. A. Kaindl; 2015 Conference on Lasers and Electro-Optics, 05/30/15.

Additional Authors: W.-S. Lee, H. A. Bechtel, M. C. Martin, T. Sasagawa, Z.-X. Shen, and R. A. Kaindl

Abstract:

We report optical-pump THz-probe reflectivity studies around the resonance frequency (≈11 THz) of the in-plane bending mode of a stripe-ordered nickelate. The experiments reveal signatures of both short and long-range nanoscale charge order dynamics.