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Strongly Correlated Coulomb Liquid

  • Yuriy Monarkha
  • Kimitoshi Kono
Part of the Springer Series in Solid-State Sciences book series (SSSOL, volume 142)

Abstract

In typical liquids and even solids, the average interaction potential energy per particle is approximately of the same order of magnitude as the average kinetic energy. Under these conditions, the Fermi liquid approach, which reduces the many-body system of strongly interacting particles to the system of weakly interacting excitations, has proven to be quite effective. On the other hand, the Coulomb liquid is characterized by extremely strong internal forces acting between electrons. This makes the conventional quasi-particle approach doubtful. As emphasized above, in the 2D Coulomb liquid of interface electrons the average interaction potential energy per electron can be approximately a hundred times larger than the average kinetic energy. One cannot rely on the Fermi liquid approach under such extreme conditions. It is even impossible to introduce a definite excitation spectrum valid for the whole Coulomb liquid if the system is subject to a normal magnetic field.

Keywords

Landau Level Dynamical Structure Factor Lower Landau Level Orbit Center Electron Liquid 
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-Verlag Berlin Heidelberg 2004

Authors and Affiliations

  • Yuriy Monarkha
    • 1
  • Kimitoshi Kono
    • 2
  1. 1.Institute for Low Temperature Physics and EngineeringNational Academy of Sciences of UkraineKharkovUkraine
  2. 2.Low Temperature Physics LaboratoryRIKENWako-shiJapan

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