Abstract

The expression for calculating the transmission coefficient of a system with spatially variable anisotropic effective mass and energy-dependent retarded self-energy is derived. The expression enables us to obtain the transmission coefficient in an analytical form (if the properties of the sample are described by multistep functions) or in a numerical form (if the properties are smooth continuous functions). The result is used for calculating the tunnelling conductance for an anisotropic marginal Fermi liquid for various orientations of anisotropy axes and the direction of tunnelling.

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