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Localization of chiral edge states by the non-Hermitian skin effect
Gui-Geng Liu, Subhaskar Mandal, Peiheng Zhou +11
Quantum Hall systems host chiral edge states extending along the one-dimensional boundary of any two-dimensional sample. In solid state materials, the edge states serve as perfectl…
Observation of Weyl point pair annihilation in a gyromagnetic photonic crystal
Gui-Geng Liu, Zhen Gao, Peiheng Zhou +9
Weyl semimetals are gapless three-dimensional (3D) phases whose bandstructures contain Weyl point (WP) degeneracies. WPs carry topological charge and can only be eliminated by mutu…
Ideal Unconventional Weyl Point in a Chiral Photonic Metamaterial
Yihao Yang, Zhen Gao, Xiaolong Feng +5
Unconventional Weyl points (WPs), carrying topological charge 2 or higher, possess interesting properties different from ordinary charge-1 WPs, including multiple Fermi arcs that s…
SPT 2-Channel Kondo Model in the Structure of Normal Metal/Quantum Dot/DIII-class Topological Superconductor
Zhen Gao, Wei-Jiang Gong
We investigate the Kondo effect in a structure which is constructed by embedding one quantum dot between a normal metal and a \emph{DIII}-class topological superconductor supportin…
Majorana modes in a triple-terminal Josephson junction with embedded parallel-coupled double quantum dots
Guang-Yu Yi, Xiao-Qi Wang, Zhen Gao +2
We investigate the Josephson effect in one triple-terminal junction with embedded parallel-coupled double quantum dots. It is found that the inter-superconductor supercurrent has o…
Josephson effects in the junction formed by \emph{DIII}-class topological and -wave superconductors with an embedded quantum dot
Zhen Gao, Wan-Fei Shan, Wei-Jiang Gong
We investigate the Josephson effects in the junction formed by \emph{DIII}-class topological and -wave superconductors, by embedding a quantum dot in the junction. Three dot-sup…
Influence of an embedded quantum dot on the Josephson effect in the topological superconducting junction with Majorana doublets
Wei-Jiang Gong, Zhen Gao, Wan-Fei Shan +1
One Majorana doublet can be realized at each end of the time-reversal-invariant Majorana nanowires. We investigate the Josephson effect in the Majorana-doublet-presented junction m…
Topological Acoustics
Zhaoju Yang, Fei Gao, Xihang Shi +4
The manipulation of acoustic wave propagation in fluids has numerous applications, including some in everyday life. Acoustic technologies frequently develop in tandem with optics,…