Do the A₄C₆₀ fullerides have a broken-symmetry ground state?

Erwin, S. C. and Bruder, C.. (1994) Do the A₄C₆₀ fullerides have a broken-symmetry ground state? Physica. B, Condensed matter, Vol. 199. pp. 600-603.

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Official URL: http://edoc.unibas.ch/dok/A5252866

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Band theory predicts both K3C60 and K4C60 to be metals; various experimental probes show that while K3C60 is indeed metallic, K4C60 appears to be insulating. The standard view of this apparent failure of the single-particle picture is that electron correlation is predominant. We describe an alternative scenario, motivated on theoretical grounds, which invokes a spin- or charge-density-wave state to explain the observed insulating behavior.
Faculties and Departments:05 Faculty of Science > Departement Physik > Physik > Theoretische Physik (Bruder)
UniBasel Contributors:Bruder, Christoph
Item Type:Article, refereed
Article Subtype:Research Article
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:22 Mar 2012 14:26
Deposited On:22 Mar 2012 13:53

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