Ehlers symmetry in four dimensions
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DOI: 10.1103/physrevd.101.024052
Abstract: Starting with the light-cone Hamiltonian for gravity, we perform a field redefinition that reveals a hidden symmetry in four dimensions, namely the Ehlers $SL(2,R)$ symmetry. The field redefinition, which is non-local in space but local… read more here.
Keywords: four dimensions; symmetry four; symmetry; ehlers symmetry ... See more keywords