Spherical-tensor description of the Jahn--Teller--Hubbard molecule and local electron--phonon entanglement

Koichiro Takahashi, Shuichiro Ebata, Naotaka Yoshinaga +1

We investigate the localized-electron character of the Mott-insulating phase in A${}_3$C${}_{60}$ using a single-site multiorbital electron model coupled to anisotropic molecular vibra…