Excess entropy and breakdown of semiclassical description of thermoelectricity in twisted bilayer graphene close to half filling

Bhaskar Ghawri, Phanibhusan S. Mahapatra, Shinjan Mandal +9

In moiré systems with twisted bilayer graphene (tBLG), the amplification of Coulomb correlation effects at low twist angles ($\theta$) is a result of nearly flat low-energy electronic b…