Incoherent interlayer conductivity of layered systems
Turlakov, Misha
Original · EN
The criterion for the maximum incoherent conductivity σc,max in the anisotropic system is shown to be σc,max σab=C (e²/h)² n₂D, where n₂D is the two-dimensional electron density, and C is a numerical constant of order one. A model of c-axis interlayer conductivity of layered system in the incoherent regime is developed. The temperature dependence of the c-axis conductivity is derived to be σc (T) Tα, where α is determined by the effective strength of the interplane voltage fluctuations. The ``pseudogap'' phenomenon of suppressed interplane conductivity at low frequencies (or low voltages) is discussed.
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