Spectroscopy of local density of states fluctuations in a disordered conductor

T. Schmidt; R. J. Haug; V. I. Fal'ko; K. V. Klitzing; A. Förster; H. Lüth

doi:10.1209/epl/i1996-00187-x

Spectroscopy of local density of states fluctuations in a disordered conductor

T. Schmidt, R. J. Haug, V. I. Fal'ko, K. V. Klitzing, A. Förster, H. Lüth

Research output: Contribution to journal › Article › peer-review

Abstract

The local density of states of a degenerate semiconductor is investigated at low magnetic fields by resonant tunneling through a discrete localized energy level. Mesoscopic fluctuations of the local density of states below the Fermi level are imaged as temperature-insensitive fine structure in the tunneling current. These fluctuations are attributed to quantum interference of diffusive electron waves in the three-dimensional disordered system.

Original language	English
Pages (from-to)	61-66
Number of pages	6
Journal	Europhysics Letters
Volume	36
Issue number	1
DOIs	https://doi.org/10.1209/epl/i1996-00187-x
Publication status	Published - 1 Oct 1996

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title = "Spectroscopy of local density of states fluctuations in a disordered conductor",

abstract = "The local density of states of a degenerate semiconductor is investigated at low magnetic fields by resonant tunneling through a discrete localized energy level. Mesoscopic fluctuations of the local density of states below the Fermi level are imaged as temperature-insensitive fine structure in the tunneling current. These fluctuations are attributed to quantum interference of diffusive electron waves in the three-dimensional disordered system.",

author = "T. Schmidt and Haug, {R. J.} and Fal'ko, {V. I.} and Klitzing, {K. V.} and A. F{\"o}rster and H. L{\"u}th",

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AU - Fal'ko, V. I.

AU - Klitzing, K. V.

AU - Förster, A.

AU - Lüth, H.

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N2 - The local density of states of a degenerate semiconductor is investigated at low magnetic fields by resonant tunneling through a discrete localized energy level. Mesoscopic fluctuations of the local density of states below the Fermi level are imaged as temperature-insensitive fine structure in the tunneling current. These fluctuations are attributed to quantum interference of diffusive electron waves in the three-dimensional disordered system.

AB - The local density of states of a degenerate semiconductor is investigated at low magnetic fields by resonant tunneling through a discrete localized energy level. Mesoscopic fluctuations of the local density of states below the Fermi level are imaged as temperature-insensitive fine structure in the tunneling current. These fluctuations are attributed to quantum interference of diffusive electron waves in the three-dimensional disordered system.

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Spectroscopy of local density of states fluctuations in a disordered conductor

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