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A duality web in 2+1 dimensions and condensed matter physics

Seiberg, Nathan ; Senthil, T. ; Wang, Chong ; Witten, Edward

Annals of physics, 2016-11, Vol.374 (C), p.395-433 [Periódico revisado por pares]

United States: Elsevier Inc

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  • Título:
    A duality web in 2+1 dimensions and condensed matter physics
  • Autor: Seiberg, Nathan ; Senthil, T. ; Wang, Chong ; Witten, Edward
  • Assuntos: Composite fermions ; Field theory duality ; Quantum criticality ; Quantum hall effect ; Topological insulator
  • É parte de: Annals of physics, 2016-11, Vol.374 (C), p.395-433
  • Notas: USDOE
    SC0009988
  • Descrição: Building on earlier work in the high energy and condensed matter communities, we present a web of dualities in 2+1 dimensions that generalize the known particle/vortex duality. Some of the dualities relate theories of fermions to theories of bosons. Others relate different theories of fermions. For example, the long distance behavior of the 2+1-dimensional analog of QED with a single Dirac fermion (a theory known as U(1)12) is identified with the O(2)Wilson–Fisher fixed point. The gauged version of that fixed point with a Chern–Simons coupling at level one is identified as a free Dirac fermion. The latter theory also has a dual version as a fermion interacting with some gauge fields. Assuming some of these dualities, other dualities can be derived. Our analysis resolves a number of confusing issues in the literature including how time reversal is realized in these theories. It also has many applications in condensed matter physics like the theory of topological insulators (and their gapped boundary states) and the problem of electrons in the lowest Landau level at half filling. (Our techniques also clarify some points in the fractional Hall effect and its description using flux attachment.) In addition to presenting several consistency checks, we also present plausible (but not rigorous) derivations of the dualities and relate them to 3+1-dimensional S-duality.
  • Editor: United States: Elsevier Inc
  • Idioma: Inglês
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