Spontaneously broken Lorentz invariance in three-dimensional gauge theories
Aug, 19938 pages
Published in:
- Phys.Lett.B 319 (1993) 332-338
e-Print:
- hep-th/9308045 [hep-th]
Report number:
- UMN-TH-1211-93
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Abstract:
In a wide class of three-dimensional Abelian gauge theories with a bare Chern-Simons term, the Lorentz invariance is spontaneously broken by dynamical generation of a non-vanishing magnetic field. A detailed computation of an energy density of the true vacuum is given. The originally massive photon becomes massless, fulfilling the role of a Nambu-Goldstone boson associated with the spontaneous breaking of the Lorentz invariance.- gauge field theory: U(1)
- fermion
- Chern-Simons term
- dimension: 3
- invariance: Lorentz
- spontaneous symmetry breaking
- mass: topological
- topological: mass
- Goldstone theorem
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