3 papers
math.AP2026
Global well-posedness and scattering for defocusing energy-critical inhomogeneous NLS in dimensions
Bo Yang, Lei Zhang, Bin Liu
We study the defocusing energy-critical inhomogeneous nonlinear Schrödinger equation \[ i\partial_tu+Îu=|x|^{-b}|u|^{\frac{4-2b}{d-2}}u, \qquad (t,x)\in\R\times\R^d, \] with init…
cond-mat.mes-hall2026
Geometric Spin Degeneracy in Spin-Orbit-Free Compensated Magnets
Seung Hun Lee, Yuting Qian, Xi Dai +1
Compensated magnets with vanishing net magnetization can exhibit both pronounced spin splitting and unconventional band degeneracies. In altermagnets, such degeneracies are enforce…
cond-mat.mes-hall2024
Unconventional topological phase transition of the Hopf insulator
Sunje Kim, Ysun Choi, Hyeongmuk Lim +1
The topological phase transition between two band insulators is mediated by a gapless state whose low-energy band structure normally contains sufficient information for describing…