Bulletin of the American Physical Society
2023 APS March Meeting
Volume 68, Number 3
Las Vegas, Nevada (March 5-10)
Virtual (March 20-22); Time Zone: Pacific Time
Session S38: Light Induced Structural Control of Electronic Phases IV
8:00 AM–10:48 AM,
Thursday, March 9, 2023
Room: Room 230
Sponsoring
Unit:
DMP
Chair: Takashi Oka, Institute for solid state physics, The University of Tokyo
Abstract: S38.00010 : New pathways for ultrafast structural control via nonlinear phononics*
10:12 AM–10:24 AM
Presenter:
Jiaoyang Zheng
(Cornell University)
Authors:
Guru Khalsa
(Cornell University)
Jiaoyang Zheng
(Cornell University)
Jeffrey Moses
(Cornell University)
In this theoretical work, we show that the nonlinear lattice polarizability gives additional strategies for selective structural control through tuned polarization, frequency, and duration/shaping of the THz pulse. This approach expands the toolbox for ultrafast structural control of crystalline materials in the mid- and far-infrared, enabling a new direction-specific handle on Raman-active phonons and silent phonons normally inaccessible to the conventional nonlinear phononics pathway.
*DMR-1550347DMR-1719875
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