Two-Dimensional Coulomb Liquids and Solids

Yuriy Monarkha · Kimitoshi Kono

Mar 2013 · Springer Series in Solid-State Sciences Book 142 · Springer Science & Business Media

Ebook

350

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About this ebook

This book is about quantum phenomena in two-dimensional (2D) electron systems with extremely strong internal interactions. The central objects of interest are Coulomb liquids, in which the average Coulomb interaction en ergy per electron is much higher than the mean kinetic energy, and Wigner solids. The main themes are quantum transport in two dimensions and the dynamics of highly correlated electrons in the regime of strong coupling with medium excitations. In typical solids, the mutual interaction energy of charge carriers is of the same order of magnitude as their kinetic energy, and the Fermi-liquid ap proach appears to be quite satisfactory. However, in 1970, a broad research began to investigate a remarkable model 2D electron system formed on the free surface of superfluid helium. In this system, complementary to the 2D electronic systems formed in semiconductor interface structures, the ratio of the mean Coulomb energy of electrons to their kinetic energy can reach ap proximately a hundred before it undergoes the Wigner solid (WS) transition. Under such conditions, the Fermi-liquid description is doubtful and one needs to introduce alternative treatments. Similar interface electron systems form on other cryogenic substrates like neon and solid hydrogen.

About the author

Yuriy Monarkha: Degrees: Ph.D., Professor of physics; Post: Leading scientist. Permanent place of work: Institute for Low Temperature Physics and Engineering of the National Academy of Sciences of Ukraine. He has long experience of work as a visiting professor in different scientific centers: Institute for Solid State Physics (The University of Tokyo), Grenoble High Magnetic Field Laboratory (Max-Plank-Institute and CNRS), Institute of Physical and Chemical Research (RIKEN, Japan), Eindhoven University of Technology (The Netherlands).

Kimitoshi Kono: Degrees: Dr. (Doctor of Science), Professor of Physics (Tokyo Institute of Technology). Post: Chief scientist. Permanent place of work: Low Temperature Physics Laboratory, RIKEN (The Institute of Physical and Chemical Research). He has experience of work as a visiting scientist in: University of Mainz and University of Konstanz.

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