Pomeranchuk instability: Symmetry-breaking and experimental signatures

We discuss the emergence of symmetry-breaking via the Pomeranchuk instability from interactions that respect the underlying point-group 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 patte...

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Bibliographic Details
Published in:Physica. B, Condensed matter Condensed matter, 2008-04, Vol.403 (5), p.1279-1281
Main Authors: Quintanilla, J., Hooley, C., Powell, B.J., Schofield, A.J., Haque, M.
Format: Article
Language:English
Subjects:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Electron states
Exact sciences and technology
Nematic fermi liquid
Physics
Pomeranchuk instability
Scanning tunnelling microscopy
Structural transitions
Theories and models of many electron systems
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Summary:We discuss the emergence of symmetry-breaking via the Pomeranchuk instability from interactions that respect the underlying point-group 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.
ISSN:0921-4526
1873-2135
DOI:10.1016/j.physb.2007.10.126