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cond-mat.str-el2026
Prominent Dimensional Effects on High-order Harmonic Generation in Strongly Correlated Electron Systems
Kento Uchida, Shintaro Takayoshi, Yuta Murakami +6
Dimensionality strongly affects elementary excitations in correlated quantum materials, yet its impact on extreme nonlinear optical responses remains largely unexplored. Here, we c…
cond-mat.str-el2026
Spinon shift current in a noncentrosymmetric quantum spin chain
Ryosuke Yamashita, Shintaro Takayoshi, Takahiro Morimoto
We theoretically study direct current generation in a quantum spin chain induced by spinon excitations by light irradiation. We consider a one-dimensional (1D) antiferromag…