Phase Velocity Tuning in Quantum Point Contacts

  • Shingo Katsumoto
  • Naokatsu Sano
  • Shun-ichi Kobayashi
Conference paper


A simple method is proposed to tune the interference by gate voltage in a ring-shaped 2-dimensional electron system at the AlGaAs-GaAs interface. Experimental evidence of the effect is also presented.


Effective Potential Gate Voltage Conductance Channel Total Kinetic Energy Reflection Effect 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer Japan 1992

Authors and Affiliations

  • Shingo Katsumoto
    • 1
  • Naokatsu Sano
    • 2
  • Shun-ichi Kobayashi
    • 1
  1. 1.Department of Physics, Faculty of ScienceUniversity of TokyoBunkyoku, Tokyo, 113Japan
  2. 2.Department of Physics, Faculty of ScienceKwansei-Gakuin UniversityUegahara, Nishinomiya, 662Japan

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