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Questions related to the quantum Hall effect (the quantisation of resistivity observed when a 2-dimensional electron gas system is subjected to a strong perpendicular magnetic field), as well as formulations of states, topological properties, and applications.

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Landau level for quadratic band touching in Dirac Hamiltonian

I find the answer in papers that studies bilayer grapheme, e.g. http://iopscience.iop.org/article/10.1088/0034-4885/76/5/056503/meta;jsessionid=6653715AE8C3DDEC60ADA7854E2EA192.c1 and I decided to w …
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Landau level for quadratic band touching in Dirac Hamiltonian

I wonder if there is anyone or any references that have solved the Landau level spectrum and eigenstates with respect to the following Hamiltonian: \begin{equation} H=\frac{k_x^2-k_y^2}{m}\sigma_x+\f …