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Cited by 259

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D3-D7 inflationary model and M theory

Open access
Dasgupta, Keshav, Herdeiro, Carlos, Hirano, Shinji, Kallosh, Renata·2002·Physical Review D

Abstract

A proposal is made for a cosmological D3-D7 model with a constant magnetic flux along the D7 world volume. It describes an $\mathcal{N}=2$ gauge model with Fayet-Iliopoulos terms and the potential of the hybrid P-term inflation. The motion of the D3-brane towards D7 in a phase with spontaneously broken supersymmetry provides a period of slow-roll inflation in the de Sitter valley, the role of the inflaton being played by the distance between D3- and D7-branes. After tachyon condensation a supersymmetric ground state is formed: a D3-D7 bound state corresponding to an Abelian non-linear (non-commutative) instanton. In this model the existence of a non-vanishing cosmological constant is associated with the resolution of the instanton singularity. We discuss a possible embedding of this model into a compactified M-theory setup.

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Metadata

Authors
Dasgupta, K., Herdeiro, C., Hirano, S., & Kallosh, R.
Venue
Physical Review D
Published
2002-05-23
Volume
65
Issue
12
ISSN
  • 0556-2821 (ISSN-L)
  • 1089-4918
OpenAlex
W2062656509
Cited by
259
References
2
FWCI
24.26
Type
journal article
Language
en
Open access
green

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