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Paper   IPM / Physic / 7532
School of Physics
  Title:   The dS/dS correspondence
  Author(s): 
1.  M. Alishahiha
2.  A. Karch
3.  E. Silverstein
4.  D. Tong
  Status:   In Proceedings
  Proceeding: AIP Conference Proceedings Volume 743, The New Cosmology: Conference on Strings and Cosmology and The Mitchell Symposium on Observational Cosmology, College Station, Texas (USA), 14-17 March; 12-16 April 2004
  Year:  2004
  Pages:   393-409
  Supported by:  IPM
  Abstract:
We present a holographic duality for the de Sitter static patch which consolidates basic features of its geometry and the behavior of gravity and brane probes, valid on timescales short compared to the decay or Poincare recurrence times. Namely de Sitter spacetime dSd(R) in d dimensions with curvature radius R is holographically dual to two conformal field theories on dSd−1(R), cut off at an energy scale 1/R where they couple to each other and to d−1 dimensional gravity. As part of our analysis, we study brane probes in de Sitter and thermal Anti de Sitter spaces, and interpret the terms in the corresponding DBI action via strongly coupled thermal field theory. This provides a dual field theoretic interpretation of the fact that probes take forever to reach a horizon in general relativity.


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