Tunneling and Evaporation from the Electron Liquid Trapped at a Helium Surface

  • P. M. Platzmann
Part of the NATO ASI Series book series (NSSB, volume 257)


Tunneling and evaporation from a well characterized many body quantum mechanical system is an important and intriguing experimental and theoretical problem. 2-D electrons trapped at the bulk helium vacuum interface is such a system. There are strong coulomb correlations among the electrons whose density may be easily varied over a wide range. The strong correlations are manifested by a crystalization at sufficiently high densities and low temperatures.(1) Escape from such a system can be initiated by the application of external fields which are roughly a hundred volts per cm. In addition, the system is extraordinarily clean and homogeneous, i.e. free of defects, local field hot spots, impurities, etc.


Escape Rate Tunneling Rate Helium Surface Electron Liquid Tunneling Regime 
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Copyright information

© Plenum Press, New York 1991

Authors and Affiliations

  • P. M. Platzmann
    • 1
  1. 1.AT & T Bell LaboratoriesMurray HillUSA

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