Junyeong Ahn, Guang-Yu Guo, and Naoto Nagaosa, Low-Frequency Divergence and Quantum Geometry of the Bulk Photovoltaic Effect in Topological Semimetals, Phys. Rev. X 10, 041041 (2020) 2020-11-30 Chen, Jhan Yu 陳詹喻 Condensed Matter Junyeong Ahn, Guang-Yu Guo, and Naoto Nagaosa, Low-Frequency Divergence and Quantum Geometry of the Bulk Photovoltaic Effect in Topological Semimetals, Phys. Rev. X 10, 041041 (2020)