253 citations · 665 across the 17 of their papers we have counts for
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cond-mat.str-el2016★ 15 cited
Weyl nodes as topological defects of the Wannier-Stark ladder: From surface to bulk Fermi arcs
Kun Woo Kim, Woo-Ram Lee, Yong Baek Kim +1
A hallmark of Weyl semimetal is the existence of surface Fermi arcs connecting two surface-projected Weyl nodes with opposite chiralities. An intriguing question is what determines…
cond-mat.mes-hall2016★ 79 cited
Shift charge and spin photocurrents in Dirac surface states of topological insulator
Kun Woo Kim, Takahiro Morimoto, Naoto Nagaosa
The generation of photocurrent in condensed matter is of main interest for photovoltaic and optoelectronic applications. Shift current, a nonlinear photoresponse, has attracted rec…