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math.KT2024
Rational magnetic equivariant K-theory
Higinio Serrano, Bernardo Uribe, Miguel A. Xicoténcatl
We introduce the magnetic equivariant K-theory groups as the K-theory groups associated to magnetic groups and their respective magnetic equivariant complex bundles. We restrict th…
cond-mat.mtrl-sci2024★ 22 cited
Spin Chern number in altermagnets
Rafael Gonzalez-Hernandez, Higinio Serrano, Bernardo Uribe
This work explores the topological properties of altermagnets, a novel class of collinear magnetic materials. We employ equivariant K-theory of magnetic groups and Hamiltonian mode…