190 citations · 221 across the 6 of their papers we have counts for
6 papers
Symmetry Strategy for Rapid Discovery of Abundant Fractional Quantum Ferroelectrics
Guoliang Yu, Junyi Ji, Changsong Xu +1
Traditional ferroelectrics are limited by Neumann's principle, which confines exploration of ferroelectrics within polar point groups. Our recent work [Nat. Commun. 15, 135, (2024)…
Bilayer Stacking Ferrovalley without Breaking Time-Reversal Symmetry
Guoliang Yu, Junyi Ji, Changsong Xu +1
Non-volatile manipulation of valley polarization in solids has long been desired for valleytronics applications but remains challenging. Here, we propose a novel strategy for non-v…
Unconventional Ferroelectricity in Violation with Neumann's Principle
Junyi Ji, Guoliang Yu, Changsong Xu +1
The physical properties of crystals are governed by their symmetry according to Neumann's principle. However, we present a case that contradicts this principle wherein the polariza…
General Theory for Bilayer Stacking Ferroelectricity
Junyi Ji, Changsong Xu, H. J. Xiang
Two-dimensional (2D) ferroelectrics, which is rare in nature, enable high-density non-volatile memory with low energy consumption. Here, we propose a theory of bilayer stacking fer…
Dynamics of phase oscillators in the Kuramoto model with generalized frequency-weighted coupling
Can Xu, Jian Gao, Hairong Xiang +3
We generalize the Kuramoto model for the synchronization transition of globally coupled phase oscillators to populations by incorporating an additional heterogeneity with the coupl…
Collective dynamics of identical phase oscillators with high-order coupling
Can Xu, Hairong Xiang, Jian Gao +1
In this paper, we propose a framework to investigate the collective dynamics in ensembles of globally coupled phase oscillators when higher-order modes dominate the coupling. The s…