1995
DOI: 10.1103/physrevd.52.5816
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Global charges in Chern-Simons theory and the 2+1 black hole

Abstract: We use the Regge-Teitelboim method to treat surface integrals in gauge theories to find global charges in Chern-Simons theory. We derive the affine and Virasoro generators as global charges associated with symmetries of the boundary. The role of boundary conditions is clarified. We prove that for diffeomorphisms that do not preserve the boundary there is a classical contribution to the central charge in the Virasoro algebra. The example of anti-de Sitter 2+1 gravity is considered in detail.

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Cited by 181 publications
(335 citation statements)
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“…We recognize the equation for the hyperbolic functions entering the BTZ solution, but now their arguments have been generalized from ρ to h. By permuting the Lie algebra elements J i in Equations (28,29) one obtains solutions generalizing the BTZ solutions for all three regions, provided the signs in Equations (28,29,32) are changed accordingly. Matching of the regions works precisely as in the BTZ case.…”
Section: Holonomiesmentioning
confidence: 99%
See 1 more Smart Citation
“…We recognize the equation for the hyperbolic functions entering the BTZ solution, but now their arguments have been generalized from ρ to h. By permuting the Lie algebra elements J i in Equations (28,29) one obtains solutions generalizing the BTZ solutions for all three regions, provided the signs in Equations (28,29,32) are changed accordingly. Matching of the regions works precisely as in the BTZ case.…”
Section: Holonomiesmentioning
confidence: 99%
“…The positions of the sources are trickier, and cannot be resolved by the holonomies. Other available observables are the asymptotic charges [28]. The general f + and f − are asymptotic to the corresponding BTZ forms, and the issue is if the approach is fast enough to give finite asymptotic charges, but also slow enough to give non-zero values.…”
Section: Gauge Transformationsmentioning
confidence: 99%
“…Therefore, as a residual symmetry, we obtain translations, local in time, and rigid rotations (see also [30][31][32] for a similar situation in General Relativity). Putting (4.8) and (4.11) into the Chern-Simons action (see (3.5) and (3.11)) we find (modulo a total time derivative)…”
Section: Gauge Fixing and Residual Symmetrymentioning
confidence: 99%
“…It is a natural question to see whether this algebra can be obtained from a Chern-Simons theory in five dimensions just as the Kac-Moody algebra is generated from the 2+1 Chern-Simons theory [4] (see also Ref. [20]). This problem has been already studied in the literature in interesting works that considered modifications of the ChernSimons action.…”
Section: Global Symmetries and Wzw 4 Algebrasmentioning
confidence: 99%
“…These constraints are given by 20) and they generate the spatial diffeomorphisms (2.3), namely, δA a i = {A a i , Σ η j H j } = −η j F ij . Thus, they satisfy the spatial diffeomorphism algebra, up to gauge transformations.…”
Section: First Class Constraintsmentioning
confidence: 99%