activity
19952026
most citedImpurity Energy Level Within The Haldane Gap

23 citations · 23 across the 8 of their papers we have counts for

collaborators

9 papers

math.AP2026

Asymptotics for two-dimensional parabolic vectorial Allen-Cahn systems

Zhiyuan Dai, Haotong Fu, Huaijie Wang +1

We study the parabolic vectorial Allen--Cahn equation in two space dimensions for a fixed smooth potential with finitely many non-degenerate wells. Our result provides a parabolic…

math.AP2026

Small-energy regularity for stationary weak solutions of the Liouville equation

Haotong Fu, Kelei Wang, Wei Wang +1

We establish small-energy regularity for stationary weak solutions of the Liouville equation in every dimension. It solves a problem left open in Da Lio [Commun. Partia…

math.AP2026

Boundary asymptotics for two-dimensional vectorial Allen-Cahn systems

Zhiyuan Dai, Haotong Fu, Huaijie Wang +1

We study asymptotic properties of critical points of the two-dimensional vectorial Allen-Cahn energy with finitely many non-degenerate wells, subject to a homogeneous Neumann bound…

math.AP2026

Boundary regularity for Oseen-Frank minimizers with arbitrary positive splay, twist, and bend constants

Zhiyuan Dai, Haotong Fu, Huaijie Wang +1

Let be a smooth bounded domain and let be smooth. We prove that any global minimizer of the Oseen--Frank energy subject to the str…

math.AP2026

Smooth Convergence of Landau-de Gennes Minimizers in the Lyuksyutov Regime

Haotong Fu, Huaijie Wang, Wei Wang

In this paper, we analyze global minimizers of the Landau--de Gennes functional in 3-dimensional domains in the Lyuksyutov regime. We prove smooth convergence to an -…

math.AP2025

Improved convergence of Landau-de Gennes minimizers in the vanishing elasticity limit

Haotong Fu, Huaijie Wang, Wei Wang

We investigate the vanishing elasticity limit for minimizers of the Landau-de Gennes model with finite energy. By adopting a refined blow-up and covering analysis, we establish the…

math.AP2025

Uniform estimates of Landau-de Gennes minimizers in the vanishing elasticity limit with line defects

Haotong Fu, Huaijie Wang, Wei Wang

For the Landau-de Gennes functional modeling nematic liquid crystals in dimension three, we prove that, if the energy is bounded by , then the seque…

math.PR2025

Stochastic Stefan problem on moving hypersurfaces: an approach by a new framework of nonhomogeneous monotonicity

Tianyi Pan, Wei Wang, Jianliang Zhai +1

The purpose of this paper is to establish the well-posedness of the stochastic Stefan problem on moving hypersurfaces. Through a specially designed transformation, it turns out we…

cond-mat1995★ 23 cited

Impurity Energy Level Within The Haldane Gap

Wei Wang, Shaojin Qin, Zhong-Yi Lu +2

An impurity bond in a periodic 1D antiferromagnetic, spin 1 chain with exchange is considered. Using the numerical density matrix renormalization group method, we find a…