Casimir energy for de Sitter branes in bulk AdS(5)

May, 2002
5 pages
Published in:
  • Phys.Lett.B 542 (2002) 289-294
e-Print:
Report number:
  • OU-TAP-180

Citations per year

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Abstract:
The vacuum energy for a massless conformally coupled scalar field in a brane world set up, corresponding to de Sitter branes in a bulk anti-de Sitter spacetime, is calculated. We use the Euclidean version of the metric which can be conformally related to a metric similar in form to the Einstein universe (S^4 times R). Employing zeta-function regularisation we evaluate the one-loop effective potential and show that the vacuum energy is zero for the one brane and non-zero for the two brane configuration. We comment on the back-reaction of this Casimir energy and on the inclusion of a mass term or non-conformal coupling.
  • 04.50.+h
  • 11.25.Mj
  • 98.80.Cq
  • energy: Casimir
  • membrane model: de Sitter
  • field theory: scalar
  • massless
  • coupling: conformal
  • space-time: anti-de Sitter
  • dimension: 5