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Symmetry and Z_2-Orbifolding Approach in Five-dimensional Lattice Gauge Theory

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 Added by Kouhei Ishiyama Mr
 Publication date 2009
  fields
and research's language is English




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In a lattice gauge-Higgs unification scenario using a Z_2-orbifolded extra-dimension, we find a new global symmetry in a case of SU(2) bulk gauge symmetry. It is a global symmetry on sites in a fixed point with respect to Z_2-orbifolding, independent of the bulk gauge symmetry. It is shown that the vacuum expectation value of a Z_2-projected Polyakov loop is a good order parameter of the new symmetry. The effective theory on lattice is also discussed.



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