Pomeranchuk instability: symmetry breaking and experimental signatures

Details Pomeranchuk instability: symmetry breaking and experimental signatures Pomeranchuk instability: symmetry breaking and experimental signatures

2007-04-17

arxiv.org/abs/0704.2231v2

Physica B: Condensed Matter 403, 1279-1281 (2008) [Proceedings of SCES'07]

Physics

Condensed Matter

Strongly Correlated Electrons

corrected typos, added and updated references, better-resolution figures

Scientific paper

10.1016/j.physb.2007.10.126

We discuss the emergence of symmetry-breaking {\it 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.

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