Supertranslations: redundancies of horizon data, and global symmetries at null infinity
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DOI: 10.1088/1361-6382/aa9669
Abstract: We characterise the geometrical nature of smooth supertranslations defined on a generic non-expanding horizon (NEH) embedded in vacuum. To this end we consider the constraints imposed by the vacuum Einstein's equations on the NEH structure,… read more here.
Keywords: null infinity; supertranslations redundancies; horizon data; geometry ... See more keywords