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High-Frequency Quantum Transport

  • Friedemar Kuchar
  • Josef Lutz
  • Kim Y. Lim
  • Ronald Meisels
  • Günter Weimann
  • Wilfried Schlapp
  • Alfred Forchel
  • Arnd Menschig
  • Detlef Grützmacher
Part of the NATO ASI Series book series (NSSB, volume 254)

Abstract

The Quantum Hall effect and the quantum interference phenomena in mesoscopic systems are two prominent examples of quantum transport in semiconductors. In the past, they have mostly been studied using DC or low-frequency measuring techniques [1,2]. The use of high-frequency electric fields, however, is of particular interest if the product ωτ ϕ 1 [3–6] where 1/τ ϕ is the phase breaking rate which determines the phase coherence of the wave function. High-frequency experiments regarding the integer Quantum Hall effect (IQHE) are summarized in [7]. In the microwave range they were performed by two groups [8,9]. Recently, more detailed data about the Hall plateau width and the disappearance of the plateaus at high frequencies were published [10, 11]. In quantum wires high-frequency effects were studied using narrow silicon MOSFETs and GaAs epitaxial layers [6] and metal films [5,12]. In the first experiments on heterostructure quantum wires [13] the influence of a microwave field on the weak electron localization (WEL) and the universal conductance fluctuations (UCF) was studied.

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Copyright information

© Springer Science+Business Media New York 1991

Authors and Affiliations

  • Friedemar Kuchar
    • 1
    • 2
  • Josef Lutz
    • 1
    • 2
  • Kim Y. Lim
    • 1
    • 2
  • Ronald Meisels
    • 1
    • 2
  • Günter Weimann
    • 3
  • Wilfried Schlapp
    • 4
  • Alfred Forchel
    • 5
  • Arnd Menschig
    • 5
  • Detlef Grützmacher
    • 6
  1. 1.Inst. für FestkörperphysikUniversitätWienAustria
  2. 2.Ludwig Boltzmann Inst. für FestkörperphysikWienAustria
  3. 3.Walter Schottky InstitutMünchenF. R. Germany
  4. 4.Forschungsinstitut der Deutschen BundespostDarmstadtF. R. Germany
  5. 5.4. Physikalisches Inst.UniversitätStuttgartF. R. Germany
  6. 6.Inst. für HalbleitertechnikRWTHAachenF. R. Germany

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