3 papers
cond-mat.mtrl-sci2026
Chirality-Induced Spin Selectivity: Nonlinear Spin Response from Electron-Phonon Scattering
Mayank Gupta, Andrew Grieder, Mayada Fadel +4
Chirality-induced spin selectivity (CISS) generates spin-polarized currents in nonmagnetic materials from structural chirality alone, yet its microscopic origin remains debated. Us…
cond-mat.mtrl-sci2026
Photogalvanic currents from first-principles real-time density-matrix dynamics
Junting Yu, Andrew Grieder, Jacopo Simoni +3
The photogalvanic effect is the generation of a second-order direct current by illumination of a non-centrosymmetric material. In this work, we develop a first-principles real-time…
quant-ph2024
Nonreciprocal Unconventional Photon Blockade with Kerr Magnons
Xiao-Hong Fan, Yi-Ning Zhang, Jun-Po Yu +4
Nonreciprocal devices, allowing to manipulate one-way signals, are crucial to quantum information processing and quantum network. Here we propose a nonlinear cavity-magnon system,…