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gr-qc2022★ 3 cited
A discrete discontinuity between the two phases of gravity
Sandipan Sengupta
When tetrad (metric) fields are not invertible, the standard canonical formulation of gravity cannot be adopted as it is. Here we develop a Hamiltonian theory of gravity for non-in…
gr-qc2022★ 13 cited
Hamiltonian form of `Carroll' gravity
Sandipan Sengupta
We develop a Hamiltonian description of the `Carroll' (Levy Leblond-Sen Gupta) limit of gravity theory in the first-order formalism. Through a constraint analysis, the number of lo…