Electron Spectral Functions of Reconstructed Quantum Hall Edges

Details Electron Spectral Functions of Reconstructed Quantum Hall Edges Electron Spectral Functions of Reconstructed Quantum Hall Edges

2004-04-30

arxiv.org/abs/cond-mat/0405002v2

Phys. Rev. B 70, 161312 (2004)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

RevTeX, 5 pages, 4 figures; replaced with the published version; journal reference added

Scientific paper

10.1103/PhysRevB.70.161312

During the reconstruction of the edge of a quantum Hall liquid, Coulomb interaction energy is lowered through the change in the structure of the edge. We use theory developed earlier by one of the authors [K. Yang, Phys. Rev. Lett. 91, 036802 (2003)] to calculate the electron spectral functions of a reconstructed edge, and study the consequences of the edge reconstruction for the momentum-resolved tunneling into the edge. It is found that additional excitation modes that appear after the reconstruction produce distinct features in the energy and momentum dependence of the spectral function, which can be used to detect the presence of edge reconstruction.

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