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Counterterms in gravity in the light-front formulation and a D=2 conformal-like symmetry in gravity

Bengtsson, Anders, 1988 (author)
Högskolan i Borås,Institutionen Ingenjörshögskolan
Brink, Lars, 1943 (author)
Chalmers tekniska högskola,Chalmers University of Technology
Kim, S-S. (author)
Korea Institute for Advanced Study
 (creator_code:org_t)
2013-03-20
2013
English.
In: Journal of High Energy Physics. - : Springer Science and Business Media LLC. - 1029-8479 .- 1126-6708. ; 58:5-6, s. 485-501
  • Journal article (peer-reviewed)
Abstract Subject headings
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  • In this paper we discuss gravity in the light-front formulation (light-cone gauge) and show how possible counterterms arise. We find that Poincare invariance is not enough to find the three-point counterterms uniquely. Higher-spin fields can intrude and mimic three-point higher derivative gravity terms. To select the correct term we have to use the remaining reparametrization invariance that exists after the gauge choice. We finally sketch how the corresponding programme for N = 8 Supergravity should work.

Subject headings

NATURVETENSKAP  -- Fysik -- Subatomär fysik (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences -- Subatomic Physics (hsv//eng)
NATURVETENSKAP  -- Fysik (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences (hsv//eng)

Keyword

Models of Quantum Gravity
Conformal and W Symmetry

Publication and Content Type

art (subject category)
ref (subject category)

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