On vector Goldstone boson
- Cite this article as:
- Li, L. Eur. Phys. J. C (2003) 28: 145. doi:10.1140/epjc/s2003-01177-5
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The possibility that higher dimensional field theories are broken spontaneously, through the usual Nambu-Goldstone mechanism, to 4-dimension is explored. As a consequence, vector Goldstone bosons can arise in this breaking of Lorentzian symmetry from higher dimension to 4-dimension. This can provide a simple mechanism for reduction to 4-dimension in theories with extra dimensions.