Presentation Information

[Tu-P-41]Cyclotron Resonant Nonlinear Hall Effect in 2D Valley Semiconductors via Skew Scattering

〇Valeriia Ivanova1, Vadim Kovalev2,3, Ivan Savenko1,4 (1. Guangdong Technion — Israel Inst. of Tech. (China), 2. Rzhanov Inst. of Semiconductor Physics, Siberian Branch of the Russian Academy of Sci. (Russia), 3. Novosibirsk State Tech. Univ. (Russia), 4. Technion – Israel Inst. of Tech. (Israel))
We predict a giant cyclotron resonant enhancement of the nonlinear valley Hall photocurrent in monolayer MoS2. Using kinetic theory, we show that trigonal warping and broken inversion symmetry enable efficient optical control of valley transport at THz frequencies in a magnetic field.