Ghost Condensation and Gravity in Higgs Phase

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dc.creatorMukohyama, Shinji
dc.date2005-05-10
dc.date.accessioned2026-07-07T04:18:19Z
dc.date.available2026-07-07T04:18:19Z
dc.descriptionA tachyon is considered to be sick in the context of particle mechanics, but in field theory just indicates instability of a background. We consider a similar possibility that a ghost in field theory might be just an indication of instability of a background and that it can condense to form a different background around which there is no ghost. We construct a low energy effective field theory based on the derivative expansion around the stable background. Possible applications are discussed, including dark energy, dark matter, inflation and black hole.
dc.description4 pages. Talk given at JGRG 14. This complements the final version of hep-th/0502189
dc.identifierhttps://arxiv.org/abs/hep-th/0505080
dc.identifierhttp://arxiv.org/abs/hep-th/0505080
dc.identifierProceedings of the 14th Workshop on General Relativity and Gravitation (2005)
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/53129
dc.subjectHigh Energy Physics - Theory
dc.subjectAstrophysics
dc.subjectGeneral Relativity and Quantum Cosmology
dc.subjectHigh Energy Physics - Phenomenology
dc.titleGhost Condensation and Gravity in Higgs Phase
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