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Author Naudts, Jan ♦ Verhulst, Tobias
Source arXiv.org
Content type Text
File Format PDF
Date of Submission 2010-01-19
Language English
Subject Domain (in DDC) Computer science, information & general works ♦ Natural sciences & mathematics ♦ Physics
Subject Keyword Condensed Matter - Strongly Correlated Electrons ♦ physics:cond-mat
Abstract We consider a lattice model in which phonons scatter with pairs of electrons. All eigenvalues and eigenvectors can be obtained analytically. For a suitable choice of parameters the ground state consists of a Fermi sea of non-interacting electrons, with on top a layer of paired electrons. The binding energy of the electron pairs is partly cancelled by an increased kinetic energy. This results in a gap in the kinetic energy spectrum of the electrons.
Educational Use Research
Learning Resource Type Article
Page Count 2


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