Landau levels, electric dipole transitions, and the Hofstadter butterfly in finite systems

We present the results of numerical calculations of the energy levels and eigenfunctions of finite sections of a tight-binding square lattice in the presence of a perpendicular magnetic field. The energy spectrum of such a system, plotted as a function of magnetic field, resembles the Hofstadter but...

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Bibliographic Details
Main Authors: Analytis, J, Blundell, S, Ardavan, A
Format: Conference item
Published: 2004