2 papers
cond-mat.mes-hall2026
Orbital magnetic octupole in crystalline solids and characterization of orbital altermagnetism
Takumi Sato, Satoru Hayami
Magnetic multipole moments beyond dipoles have emerged as key descriptors of unconventional electromagnetic responses in crystalline solids. However, a gauge-invariant bulk express…
cond-mat.mes-hall2026
Quantum theory of magnetic octupole in periodic crystals and application to -wave altermagnets
Takumi Sato, Satoru Hayami
Magnetic multipoles have been recognized as order parameters characterizing magnetic structure in solids. Recently, magnetic octupoles have been proposed as the order parameters of…