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arxiv: 1704.06223 · v2 · submitted 2017-04-20 · ✦ hep-th · gr-qc

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The BMS4 algebra at spatial infinity

C\'edric Troessaert
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classification ✦ hep-th gr-qc
keywords algebrabms4globalinfinityspatialsymmetryappearsasymptotic
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We show how a global BMS4 algebra appears as the asymptotic symmetry algebra at spatial infinity. Using linearised theory, we then show that this global BMS4 algebra is the one introduced by Strominger as a symmetry of the S-matrix.

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