2 papers
cond-mat.str-el2026
Microscopic Theory of the Phonon Thermal Hall Effect in Chiral Mott Insulators
Junha Kang, Taekoo Oh
The thermal Hall effect (THE) probes charge-neutral excitations in insulators, where the charge gap blocks electronic transport. Recently, phonons have been shown to induce a THE c…
cond-mat.str-el2024
Quantum geometric bound for saturated ferromagnetism
Junha Kang, Taekoo Oh, Junhyun Lee +1
Despite its abundance in nature, predicting the occurrence of ferromagnetism in the ground state is possible only under very limited conditions such as in a flat band system with r…