Composite supersymmetries in low dimensional systems

Feb, 2002
19 pages
Published in:
  • New J.Phys. 4 (2002) 24
e-Print:

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Abstract:
Starting from a N=1 scalar supermultiplet in 2+1 dimensions, we demonstrate explicitly the appearance of induced N=1 vector and scalar supermultiplets of composite operators made out of the fundamental supersymmetric constituents. We discuss an extension to a N=2 superalgebra with central extension, due to the existence of topological currents in 2+1 dimensions. As a specific model we consider a supersymmetric CP1CP^1 σ\sigma-model as the constituent theory, and discuss the relevance of these results for an effective description of the infrared dynamics of planar high-temperature superconducting condensed matter models with quasiparticle excitations near nodal points of their Fermi surface.
  • supersymmetry: composite
  • multiplet
  • dimension: 3
  • current: topological
  • field theoretical model: CP(1)
  • condensed matter: superconductivity
  • quasiparticle
  • operator: composite
  • Higgs model: abelian
  • gauge field theory: U(1)