Momentum-resolved tunneling: Spectroscopic tool and basis for device applications

  • M. Governale
  • U. Zülicke
Conference paper
Part of the NATO Science Series book series (NAII, volume 125)


Recent advances in nanofabrication techniques have enabled the creation of extended uniform tunnel barriers between low-dimensional electron systems. Translational invariance implies approximate conservation of the component of canonical momentum parallel to the barrier in a single tunneling event. We briefly review possibilities to utilize momentum-resolved tunneling for novel spectroscopic and device applications. In particular, it is shown how the interplay between momentum-resolved tunneling and spin-orbit coupling enables the design of a novel spin-filter device without using magnets.


Dispersion Curve Spectral Function Landau Level Translational Invariance Quantum Wire 
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Copyright information

© Springer Science+Business Media Dordrecht 2003

Authors and Affiliations

  • M. Governale
    • 1
  • U. Zülicke
    • 1
  1. 1.Institut für Theoretische FestkörperphysikUniversität KarlsruheKarlsruheGermany

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