Dirac equation on a G_2 manifold

Details Dirac equation on a G_2 manifold Dirac equation on a G_2 manifold

2002-01-31

arxiv.org/abs/hep-th/0201271v2

Phys.Lett. B532 (2002) 297-304

Physics

High Energy Physics

High Energy Physics - Theory

1+11 pages. LaTeX. Minor rewording in introduction and conclusion

Scientific paper

10.1016/S0370-2693(02)01582-4

We find a large family of solutions to the Dirac equation on a manifold of $G_2$ holonomy asymptotic to a cone over $S^3 \times S^3$, including all radial solutions. The behaviour of these solutions is studied as the manifold developes a conical singularity. None of the solutions found are both localised and square integrable at the origin. This result is consistent with the absence of chiral fermions in M-theory on the conifold over $S^3\times S^3$. The approach here is complementary to previous analyses using dualities and anomaly cancellation.

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