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Pomeranchuk instability: Symmetry-breaking and experimental signatures

✍ Scribed by J. Quintanilla; C. Hooley; B.J. Powell; A.J. Schofield; M. Haque

Publisher: Elsevier Science
Year: 2008
Tongue: English
Weight: 146 KB
Volume: 403
Category: Article
ISSN: 0921-4526
DOI: 10.1016/j.physb.2007.10.126

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✦ Synopsis

We discuss the emergence of symmetry-breaking via the Pomeranchuk instability from interactions that respect the underlying pointgroup symmetry. We use a variational mean-field theory to consider a 2D continuum and a square lattice. We describe two experimental signatures: a symmetry-breaking pattern of Friedel oscillations around an impurity; and a structural transition.

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