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Journal of High Energy Physics

, 2010:11

First Online: 03 August 2010Received: 14 May 2010Revised: 02 July 2010Accepted: 08 July 2010

Abstract

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.

KeywordsSpontaneous Symmetry Breaking Classical Theories of Gravity Space-Time Symmetries  Download to read the full article text



Author: Ali H. Chamseddine - Viatcheslav Mukhanov

Source: https://link.springer.com/



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