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Paper   IPM / Physic / 6898
School of Physics
  Title:   Branes in Time-Dependent Backgrounds and Field Theory / Gravity Duality
1.  M. Alishahiha
2.  S. Parvizi
  Status:   Published
  Journal: JHEP
  No.:  13
  Vol.:  10
  Year:  2002
  Pages:   047 (1-13)
  Supported by:  IPM
We study supergravity solutions of Dp-branes in the time-dependent orbifold background. We show that worldvolume theories decouple from the bulk gravity for p less than six. Along AdS/CFT correspondence, these solutions could provide the gravity description of noncommutative field theory with time-dependent noncommutative parameter. Type II NS5-brane (M5-brane) in the presence of RR n-form for n=0,..., 4 (C field) in this time-dependent background have also been studied.

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