Inter-Band Effects of Magnetic Field on Hall Conductivity in Multi Layered Massless Dirac Fermion System $\alpha$-(BEDT-TTF)${}_2$I${}_3$

N. Tajima, R. Kato, S. Sugawara +2

We have discovered two-dimensional zero-gap material with a layered structure in the organic conductor $\alpha$-(BEDT-TTF)${}_2$I${}_3$ under high hydrostatic pressure. In contrast to graph…