d-Mott Phases in One and Two Dimensions

Läuchli, A.; Honerkamp, C.; Rice, T. M.

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d-Mott Phases in One and Two Dimensions

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Honerkamp, C.
Department Quantum Many-Body Theory (Walter Metzner), Max Planck Institute for Solid State Research, Max Planck Society;

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Läuchli, A., Honerkamp, C., & Rice, T. M. (2004). d-Mott Phases in One and Two Dimensions. Physical Review Letters, 92: 037006.

Cite as: https://hdl.handle.net/21.11116/0000-000E-F839-B

Abstract

Oscillatory variations of the diagonal (G(xx)) and Hall (G(xy))
magnetoconductances are discussed in view of topological scaling
effects giving rise to the quantum Hall effect. They occur in a field
range without oscillations of the density of states due to Landau
quantization, and are, therefore, totally different from the
Shubnikov-de Haas oscillations. Such oscillations are experimentally
observed in disordered GaAs layers in the extreme quantum limit of
applied magnetic field with a good description by the unified scaling
theory of the integer and fractional quantum Hall effect.