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APS » Journals » Phys. Rev. Lett. » Volume 89 » Issue 15
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Phys. Rev. Lett. 89, 157003 (2002) [4 pages]

Relativity Restored: Dirac Anisotropy in QED3

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O. Vafek1, Z. Tešanović1, and M. Franz2
1Department of Physics and Astronomy, Johns Hopkins University, Baltimore, Maryland 21218
2Department of Physics and Astronomy, University of British Columbia, Vancouver, British Columbia, Canada V6T 1Z

Received 11 March 2002; published 23 September 2002

We show that, at long length scales and low energies and to leading order in 1/N expansion, the anisotropic QED in 2+1 dimensions renormalizes to an isotropic limit. Consequently, the (Euclidean) relativistic invariance of the theory is spontaneously restored at the isotropic critical point.

© 2002 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.89.157003
DOI:
10.1103/PhysRevLett.89.157003
PACS:
74.60.–w, 11.10.Kk, 11.15.Pg
 
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