Long standing physics question is answered by Israeli and other researchers
Posted on August 6, 2007 • By Deena Levenstein
Category: Science |
Five researchers from four different universities, including AM Finkelstein of the Weitzmann Institute of Science, Israel, have published an important physics paper in the August issue of Nature Physics that answers a long standing question in the field of condensed matter physics.
“The discovery of the metal-insulator transition (MIT) in two-dimensional electron systems by Kravchenko and colleagues in 1994 challenged the veracity of one of the most influential conjectures in the physics of disordered electrons by Abrahams, Anderson, Licciardello and Ramakrishnan (1979) which stated that “in two dimensions, there is no true metallic behavior.”
“However, the 1979 theory did not account for interactions between electrons. In this new paper, Kravchenko and colleagues investigate the interplay between the electron-electron interactions and disorder near the MIT using simultaneous measurements of electrical resistivity and magnetoconductance.”
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