Aspects of Confinement in Low Dimensions

A. M. Tsvelik; M. J. Bhaseen

Aspects of Confinement in Low Dimensions

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arxiv cond-mat/0409602 v2 pith:EOZLUJDZ submitted 2004-09-22 cond-mat.str-el

M. J. Bhaseen , A. M. Tsvelik This is my paper · ORCID

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We briefly review some examples of confinement which arise in condensed matter physics. We focus on two instructive cases: the off-critical Ising model in a magnetic field, and an array of weakly coupled (extended) Hubbard chains in the Wigner crystal phase. In the appropriate regime, the elementary excitations in these 1+1 and quasi-one-dimensional systems are confined into `mesons'. Although the models are generically non-integrable, quantum mechanics and form factor techniques yield valuable information.

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