1 code implementation • 10 Feb 2022 • Andrew Ma, Yang Zhang, Thomas Christensen, Hoi Chun Po, Li Jing, Liang Fu, Marin Soljačić
Topological materials present unconventional electronic properties that make them attractive for both basic science and next-generation technological applications.
no code implementations • 13 Jan 2021 • Haruki Watanabe, Yasuyuki Kato, Hoi Chun Po, Yukitoshi Motome
Recent studies revealed that the electric multipole moments of insulators result in fractional electric charges localized to the hinges and corners of the sample.
Quantization Strongly Correlated Electrons Mesoscale and Nanoscale Physics Statistical Mechanics
no code implementations • 31 Dec 2020 • Cheng-Ping Zhang, Xue-Jian Gao, Ying-Ming Xie, Hoi Chun Po, K. T. Law
In recent years, it had been shown that Berry curvature monopoles and dipoles play essential roles in the anomalous Hall effect and the nonlinear Hall effect respectively.
Mesoscale and Nanoscale Physics Materials Science
no code implementations • 22 Oct 2020 • Abijith Krishnan, Ashvin Vishwanath, Hoi Chun Po
Such a locking raises intriguing questions about the generality of the band-inversion paradigm in describing the transition between trivial and topological phases.
Mesoscale and Nanoscale Physics Strongly Correlated Electrons
1 code implementation • 14 Jul 2019 • Stephen Carr, Shiang Fang, Hoi Chun Po, Ashvin Vishwanath, Efthimios Kaxiras
Twisted bilayer graphene (TBLG) has emerged as an important platform for studying correlated phenomena, including unconventional superconductivity, in two-dimensional systems.
Strongly Correlated Electrons Mesoscale and Nanoscale Physics
1 code implementation • 7 Aug 2018 • Hoi Chun Po, Liujun Zou, T. Senthil, Ashvin Vishwanath
Correlated insulators and superconductivity have been observed in "magic-angle" twisted bilayer graphene, when the nearly flat bands close to neutrality are partially filled.
Strongly Correlated Electrons Materials Science Superconductivity