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cond-mat.mtrl-sci2023★ 22 cited
Electric quadrupole second harmonic generation revealing dual magnetic orders in a magnetic Weyl semimetal
Youngjun Ahn, Xiaoyu Guo, Rui Xue +4
Broken symmetries and electronic topology are nicely manifested together in the second order nonlinear optical responses from topologically nontrivial materials. While second order…
hep-th2023★ 3 cited
Impurity-Driven Metal-Insulator Transitions in Holography
Yunseok Seo, Youngjun Ahn, Keun-Young Kim +2
In this work, we study Metal-Insulator transition in a holographic model containing an interaction between the order parameter and charge-carrier density. It turns out that the imp…