Higgs Phenomenon for 4-D Gravity in Anti de Sitter Space | Zendy

Massimo Porrati | Zendy

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Higgs Phenomenon for 4-D Gravity in Anti de Sitter Space

Author(s) -

Massimo Porrati

Publication year - 2002

Publication title -

journal of high energy physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.998

H-Index - 261

eISSN - 1126-6708

pISSN - 1029-8479

DOI - 10.1088/1126-6708/2002/04/058

Subject(s) - graviton , physics , anti de sitter space , de sitter space , higgs field , higgs boson , theoretical physics , space (punctuation) , einstein , higgs mechanism , boundary (topology) , mathematical physics , conformal field theory , gravitation , conformal map , de sitter universe , classical mechanics , quantum mechanics , universe , geometry , mathematics , mathematical analysis , linguistics , philosophy

We show that standard Einstein gravity coupled to a free conformal fieldtheory (CFT) in Anti de Sitter space can undergo a Higgs phenomenon whereby thegraviton acquires a nonzero mass (and three extra polarizations). We show thatthe essential ingredients of this mechanism are the discreteness of the energyspectrum in AdS space, and unusual boundary conditions on the elementary fieldsof the CFT. These boundary conditions can be interpreted as implying theexistence of a 3-d defect CFT living at the boundary of the AdS space. Ourfree-field computation sheds light on the essential, model-independent featuresof AdS that give rise to massive gravity.Comment: 17 page

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