Spontaneously Broken Spacetime Symmetries and Goldstone’s Theorem

Ian Low and Aneesh V. Manohar
Phys. Rev. Lett. 88, 101602 – Published 25 February 2002
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Abstract

Goldstone’s theorem states that there is a massless mode for each broken symmetry generator. It has been known for a long time that the naive generalization of this counting fails to give the correct number of massless modes for spontaneously broken spacetime symmetries. We explain how to get the right count of massless modes in the general case, and discuss examples involving spontaneously broken Poincaré and conformal invariance.

  • Received 1 November 2001

DOI:https://doi.org/10.1103/PhysRevLett.88.101602

©2002 American Physical Society

Authors & Affiliations

Ian Low1 and Aneesh V. Manohar2

  • 1Jefferson Physical Laboratory, Harvard University, Cambridge, Massachusetts 02138
  • 2Department of Physics, University of California at San Diego, La Jolla, California 92093

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Vol. 88, Iss. 10 — 11 March 2002

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