Novel phenomena in dilute electron systems in two dimensions.
basic_science · Level V
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- Record sourced from PubMed, PMID 10339515.
- Also identified by PMC identifier 34203.
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Abstract
For the past two decades, all two-dimensional systems of electrons were believed to be insulating in the limit of zero temperature. Recent experiments provide evidence for an unexpected transition to a conducting phase at very low electron densities. The nature of this phase is not understood and is currently the focus of intense theoretical and experimental attention.