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SPONTANEOUS BREAKING OF LORENTZ SYMMETRY AND VERTEX OPERATORS FOR VORTICES
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Date
2013-03-14
Author
Balachandran, A. P.
Kürkcüoğlu, Seçkin
De Queiroz, A. R.
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We first review the spontaneous Lorentz symmetry breaking in the presence of mass-less gauge fields and infraparticles. This result was obtained long time ago in the context of rigorous quantum field theory (QFT) by Frohlich, Morchio and Strocchi [Ann. Phys. 119, 241 (1979); Phys. Lett. B 89, 61 (1979)] and reformulated by Balachandran and Vaidya (arXiv:1302.3406) using the notion of superselection sectors and directiondependent test functions at spatial infinity for gauge transformations. Inspired by these developments and under the assumption that the spectrum of the electric charge is quantized (in units of a fundamental charge e), we construct a family of vertex operators which create winding number k, electrically charged Abelian vortices from the vacuum (zero winding number sector) and/or shift the winding number by k units. Vortices created by this vertex operator may be viewed both as a source and as a probe for inducing and detecting the breaking of spontaneous Lorentz symmetry. We find that for rotating vortices, the vertex operator at level k shifts the angular momentum of the vortex by k q/q, where q is the electric charge of the quantum state of the vortex and q is the charge of the vortex scalar field under the U(1) gauge field. We also show that, for charged-particle-vortex composites, angular momentum eigenvalues shift by k q/q q being the electric charge of the charged-particle-vortex composite. This leads to the result that for q/q half-odd integral and for odd k, our vertex operators flip the statistics of charged-particle-vortex composites from bosons to fermions and vice versa. For fractional values of q/q, application of vertex operator on charged-particlevortex composite leads in general to composites with anyonic statistics.
Subject Keywords
Nuclear and High Energy Physics
,
Astronomy and Astrophysics
URI
https://hdl.handle.net/11511/43966
Journal
MODERN PHYSICS LETTERS A
DOI
https://doi.org/10.1142/s0217732313500284
Collections
Department of Physics, Article
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A. P. Balachandran, S. Kürkcüoğlu, and A. R. De Queiroz, “SPONTANEOUS BREAKING OF LORENTZ SYMMETRY AND VERTEX OPERATORS FOR VORTICES,”
MODERN PHYSICS LETTERS A
, pp. 0–0, 2013, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/43966.