Sonu Verma, Alestin Mawrie, Tarun Kanti Ghosh
Published 2017-07-26Version 1
We present a detail theoretical study of the Drude weight and optical conductivity of 8-Pmmn borophene having tilted anisotropic Dirac cones. We provide exact analytical expressions of the Drude weight, optical conductivity, the minimum energy required to trigger the optical transitions and energy needed to attain maximum optical conductivity. We find that the Drude weight and optical conductivity are highly anisotropic as a consequence of the tilted Dirac cone. The tilted anisotropic Dirac cones in 8-Pmmn borophene can be verified by means of the optical conductivity measurement.
Comments: 5 pages, 3 figures
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