155 citations · 992 across the 20 of their papers we have counts for
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Designing flat-band tight-binding models with tunable multifold band touching points
Ansgar Graf, Frédéric Piéchon
Being dispersionless, flat bands on periodic lattices are solely characterized by their macroscopically degenerate eigenstates: compact localized states (CLSs) in real space and Bl…
Statistical mechanics approach to the electric polarization and dielectric constant of band insulators
Frédéric Combes, Maximilian Trescher, Frédéric Piéchon +1
We develop a theory for the analytic computation of the free energy of band insulators in the presence of a uniform and constant electric field. The two key ingredients are a pertu…
Plaquette chirality patterns for robust zero-gap states in -type organic conductor
Frédéric Piéchon, Yoshikazu Suzumura, Takao Morinari
Dirac electrons with a zero-gap state (ZGS) in organic conductor -(BEDT-TTF)I result from a fine tuning of the seven nearest neighbors transfer integrals ($a_1, a_2, a_3…