550 citations
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Showing 2016 · cond-mat.str-elShow all
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cond-mat.str-el2016★ 21 cited
Orbital diamagnetic susceptibility in excitonic condensation phase
Koudai Sugimoto, Yukinori Ohta
We study the orbital diamagnetic susceptibility in excitonic condensation phase using the meanfield approximation for a two-band model defined on a square lattice. We find that, in…
cond-mat.str-el2016★ 21 cited
Electric and magnetic multipoles and bond orders in excitonic insulators
Tatsuya Kaneko, Yukinori Ohta
We study the charge and spin density distributions of excitonic insulator (EI) states in the tight-binding approximation. We first discuss the charge and spin densities of the EI s…