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Higgs for graviton: simple and elegant solution

Journal of High Energy Physics, no. 8 (2010): 1-7

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A Higgs mechanism for gravity is presented, where four scalars with global Lorentz symmetry are employed. We show that in the “broken symmetry phase” a graviton absorbs all scalars and become massive spin 2 particle with five degrees of freedom. The resulting theory is unitary and free of ghosts.

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