Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2005-10-30
Mod.Phys.Lett.A21:899-906,2006
Physics
High Energy Physics
High Energy Physics - Theory
9 pages
Scientific paper
10.1142/S0217732306020202
It is shown that the well-known triviality of the Einstein field equations in two dimensions is not a sufficient condition for the Einstein-Hilbert action to be a total divergence, if the general covariance is to be preserved, that is, a coordinate system is not fixed. Consequently, a Hamiltonian formulation is possible without any modification of the two dimensional Einstein-Hilbert action. We find the resulting constraints and the corresponding gauge transfromations of the metric tensor.
Kiriushcheva N.
Kuz'min S. V.
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