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Catastrophe theory classification of Fermi surface topological transitions in two dimensions

We classify all possible singularities in the electronic dispersion of two-dimensional systems that occur when the Fermi surface changes topology, using catastrophe theory. For systems with up to seven control parameters (i.e., pressure, strain, bias voltage, etc), the theory guarantees that the sin...

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Bibliographic Details
Main Authors:	Anirudh Chandrasekaran, Alex Shtyk, Joseph Betouras, Claudio Chamon
Format:	Default Article
Published:	2020
Subjects:	cond-mat.str-el cond-mat.mtrl-sci
Online Access:	https://hdl.handle.net/2134/13514248.v1
Tags:	Add Tag No Tags, Be the first to tag this record!

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