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cond-mat.mtrl-sci2022
Low-frequency Phonon at Perovskite Oxide Interface Studied by Surface-specific Nonlinear Terahertz Spectroscopy
Jiaming Le, Yudan Su, Junying Ma +4
The low-frequency collective excitations, which often occur in the terahertz or multi-terahertz spectral region, play an essential role in many novel emergent phenomena. Despite nu…
cond-mat.soft2022★ 13 cited
Violation of Ericksen inequalities in lyotropic chromonic liquid crystals
Cheng Long, Jonathan V. Selinger
By analyzing elastic theory for nematic liquid crystals, we distinguish three regimes of elastic constants. In one regime, the Ericksen inequalities are satisfied, and the ground s…