We investigate the gauge-independent Hamiltonian formulation and the anomalous Ward identities of a matter-induced 1+1-dimensional gravity theory invariant under Weyl transformations and area-preserving diffeomorphisms, and compare the results to the ones for the conventional diffeomorphism-invariant theory. We find that, in spite of several technical differences encountered in the analysis, the two theories are essentially equivalent.
Area preserving structure and anomalies in (1+1)-dimensional quantum gravity / G. AMELINO-CAMELIA; D. BAK; D. SEMINARA. - In: PHYSICS LETTERS. SECTION B. - ISSN 0370-2693. - STAMPA. - 354:(1995), pp. 213-219. [10.1016/0370-2693(95)00666-9]
Area preserving structure and anomalies in (1+1)-dimensional quantum gravity
SEMINARA, DOMENICO
1995
Abstract
We investigate the gauge-independent Hamiltonian formulation and the anomalous Ward identities of a matter-induced 1+1-dimensional gravity theory invariant under Weyl transformations and area-preserving diffeomorphisms, and compare the results to the ones for the conventional diffeomorphism-invariant theory. We find that, in spite of several technical differences encountered in the analysis, the two theories are essentially equivalent.
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