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Self-gravitating SU(5) Higgs domain walls as a braneworld
2019
Physical Review D
Five-dimensional domain walls in gauged SU (5) generate a position-dependent symmetry breaking pattern along the additional dimension. We analize the perturbative stability and the 4D spectrum of these walls in the self-gravitating case, in terms of diffeomorphism-and Lie algebra gauge-invariant field fluctuations. We show that tachyonic modes are absent, ensuring perturbative stability. As expected, gravitational tensor and vector fluctuations behave like its counterparts in the standard Z2
doi:10.1103/physrevd.100.125011
fatcat:3kizrr2uinal3pzah4xo3yeram