<p>It was discovered in recent months that the anti-de Sitter (AdS) backgrounds involved in all familiar top-down examples of AdS/CFT duality follow from applying a transverse <i>nonrelativistic</i> brane limit to string/M theory on (asymptotically) flat spacetime. In this note we show that an exactly analogous statement holds for <i>de Sitter</i> (dS) backgrounds relevant to particular instances of dS/CFT duality, which are obtained via a longitudinal <i>Carrollian</i> brane limit. This statement makes direct contact with the holographic duality inferred by Hull via temporal T-duality.</p>

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De Sitter Holography and Carrollian brane theories

  • Andrés Argandoña,
  • Alberto Güijosa,
  • Sergio Patiño-López

摘要

It was discovered in recent months that the anti-de Sitter (AdS) backgrounds involved in all familiar top-down examples of AdS/CFT duality follow from applying a transverse nonrelativistic brane limit to string/M theory on (asymptotically) flat spacetime. In this note we show that an exactly analogous statement holds for de Sitter (dS) backgrounds relevant to particular instances of dS/CFT duality, which are obtained via a longitudinal Carrollian brane limit. This statement makes direct contact with the holographic duality inferred by Hull via temporal T-duality.