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cond-mat.mes-hall2026
Ferroaxial Electronic Response to Local Lattice Rotation
Ken Uchino, Yuuki Ogawa, Satoru Hayami
We theoretically investigate electronic responses to lattice deformation in a ferroaxial system using a tight-binding model on a two-dimensional square lattice and linear response…
cond-mat.mes-hall2026
Spin-Point-Group Classification of Multipoles for Nonrelativistic Collinear Magnets
Yuuki Ogawa, Satoru Hayami
Multipole moments provide a unified symmetry language for describing electronic degrees of freedom and their associated physical responses. Although active multipoles have been sys…
cond-mat.mes-hall2026★ 1 cited
Nonrelativistic Functional Properties in Collinear Antiferromagnets Based on Multipole Representation Theory
Yuuki Ogawa, Satoru Hayami
In recent years, the concept of multipoles has been widely used to describe and classify various magnetic and electric responses in solids, providing a systematic way to identify s…