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Physical Review B
We study the collective modes of a low-energy continuum model of the quasi-two-dimensional electron liquid in a layer of the organic compound α-(BEDT-TTF)_2I_3 in a perpendicular magnetic field. As testified by zero magnetic field transport experiments and ab initio theory, this material hosts both massless and massive low-energy carriers, the former being described by tilted and anisotropic Dirac cones. The polarizability of these cones is anisotropic, and two sets of magnetoplasmon modesdoi:10.1103/physrevb.90.155446 fatcat:2c3hj5nt7bbcdaq5f5bdyf7kee