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De Sitter vacua in string theory

- S. Kachru, R. Kallosh, Andrei Linde, S. Trivedi
- Physics
- 29 January 2003

We outline the construction of metastable de Sitter vacua of type IIB string theory. Our starting point is highly warped IIB compactifications with nontrivial NS and RR three-form fluxes. By… Expand

2,767 270- PDF

Towards inflation in string theory

- S. Kachru, R. Kallosh, Andrei Linde, J. Maldacena, L. McAllister, S. Trivedi
- Physics
- 7 August 2003

We investigate the embedding of brane inflation into stable compactifications of string theory. At first sight a warped compactification geometry seems to produce a naturally flat inflaton potential,… Expand

1,064 74- PDF

κ-Symmetry, Supersymmetry and Intersecting Branes

- E. Bergshoeff, R. Kallosh, T. Ort́ın, G. Papadopoulos
- Physics
- 7 May 1997

We present a new form of κ-symmetry transformations for D-branes in which the dependence on the Born-Infeld field strength is expressed as a relative rotation on the left- and right-moving fields… Expand

217 40- PDF

Black holes and critical points in moduli space

- S. Ferrara, G. Gibbons, R. Kallosh
- Physics
- 13 February 1997

We study the stabilization of scalars near a supersymmetric black hole horizon using the equation of motion of a particle moving in a potential and background metric. When the relevant 4-dimensional… Expand

551 37- PDF

Superconformal inflationary α-attractors

- R. Kallosh, Andrei Linde, D. Roest
- Physics
- 3 November 2013

A bstractRecently a broad class of superconformal inflationary models was found leading to a universal observational prediction $ {n_s}=1-\frac{2}{N} $ and $ r=\frac{12 }{{{N^2}}} $ [1, 2]. Here we… Expand

382 20- PDF

De Sitter string vacua from supersymmetric D-terms

- C. Burgess, R. Kallosh, F. Quevedo
- Physics
- 18 September 2003

We propose a new mechanism for obtaining de Sitter vacua in type-IIB string theory compactified on (orientifolded) Calabi-Yau manifolds similar to those recently studied by Kachru, Kallosh, Linde and… Expand

390 19- PDF

New formulations of D = 10 supersymmetry and D8-O8 domain walls

- E. Bergshoeff, R. Kallosh, T. Ort́ın, D. Roest, A. Proeyen
- Physics
- 28 March 2001

We discuss a generalized form of IIA/IIB supergravity depending on all R-R potentials C-(p) (p = 0, 1,..., 9) as the effective field theory of type IIA/IIB superstring theory. For the IIA case we… Expand

274 19- PDF

Universality class in conformal inflation

- R. Kallosh, Andrei Linde
- Physics
- 21 June 2013

We develop a new class of chaotic inflation models with spontaneously broken conformal invariance. Observational consequences of a broad class of such models are stable with respect to strong… Expand

362 16- PDF

D3-D7 inflationary model and M theory

- K. Dasgupta, C. Herdeiro, S. Hirano, R. Kallosh
- Physics
- 3 March 2002

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… Expand

214 14- PDF

D-term strings

- G. Dvali, R. Kallosh, A. Proeyen
- Physics
- 1 December 2003

We study the embedding of cosmic strings, related to the Abrikosov-Nielsen-Olesen vortex solution, into d = 4, N = 1 supergravity. We find that the local cosmic string solution which saturates the… Expand

103 12- PDF

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