Analytical Fermi energy for broadened Landau levels of 2DEG under a perpendicular strong magnetic field
L J Sese,
C J Bercasio,
R Gammag
Abstract:An analytical form of the Fermi energy is derived for broadened Landau levels (LLs) of the two-dimensional electron gas (2DEG) under a perpendicular strong magnetic field. A Gaussian density of states with the broadening parameter Γ is used to derive the analytical form under the assumption of asymptotically non-overlapping states between two consecutive Landau levels, i.e. Γ/ħωc
→ 0. It is shown that the smoothening of the Fermi energy around the neighborhood for fully filled Landau levels … Show more
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