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Systematics of moduli stabilisation in Calabi-Yau flux compactifications

- V. Balasubramanian, Per Berglund, J. Conlon, F. Quevedo
- Physics
- 4 February 2005

We study the large volume limit of the scalar potential in Calabi-Yau flux compactifications of type IIB string theory. Under general circumstances there exists a limit in which the potential… Expand

809 98- PDF

Large-volume flux compactifications: Moduli spectrum and D3/D7 soft supersymmetry breaking

- J. Conlon, F. Quevedo, K. Suruliz
- Physics
- 9 May 2005

We present an explicit calculation of the spectrum of a general class of string models, corresponding to Calabi-Yau flux compactifications with h1,2 > h1,1 > 1 with leading perturbative and… Expand

433 48- 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

389 20- PDF

D-Branes at Singularities : A Bottom-Up Approach to the String Embedding of the Standard Model

- G. Aldazabal, L. Ibáñez, F. Quevedo, Á. Uranga
- Physics
- 8 May 2000

We propose a bottom-up approach to the building of particle physics models from string theory. Our building blocks are Type II D-branes which we combine appropriately to reproduce desirable features… Expand

389 19- PDF

Duality symmetries from non-abelian isometries in string theory

- X. Ossa, F. Quevedo
- Physics
- 5 October 1992

Abstract In string theory it is known that abelian isometries in the σ-model lead to target space duality. We generalize this duality to background with non-abelian isometries. The procedure we… Expand

286 17- PDF

Kahler moduli inflation

- J. Conlon, F. Quevedo
- Physics
- 1 September 2005

We show that under general conditions there is at least one natural inflationary direction for the Kahler moduli of type-IIB flux compactifications. This requires a Calabi-Yau which has… Expand

202 15- PDF

Soft SUSY breaking terms for chiral matter in IIB string compactifications

- J. Conlon, Shehu S. Abdussalam, F. Quevedo, K. Suruliz
- Physics
- 11 October 2006

This paper develops the computation of soft supersymmetry breaking terms for chiral D7 matter fields in IIB Calabi-Yau flux compactifications with stabilised moduli. We determine explicit expressions… Expand

114 14- PDF

Fibre inflation: observable gravity waves from IIB string compactifications

- M. Cicoli, C. Burgess, F. Quevedo
- Physics
- 5 August 2008

We introduce a simple string model of inflation, in which the inflaton field can take trans-Planckian values while driving a period of slow-roll inflation. This leads naturally to a realisation of… Expand

187 14- PDF

General analysis of LARGE Volume Scenarios with string loop moduli stabilisation

- M. Cicoli, J. Conlon, F. Quevedo
- Physics
- 7 May 2008

We study the topological conditions for general Calabi-Yaus to get a non-supersymmetric AdS exponentially large volume minimum of the scalar potential in flux compactifications of IIB string theory.… Expand

153 13- PDF

Astrophysical and cosmological implications of large volume string compactifications

- J. Conlon, F. Quevedo
- Physics
- 23 May 2007

We study the spectrum, couplings and cosmological and astrophysical implications of the moduli fields for the class of Calabi–Yau IIB string compactifications for which moduli stabilisation leads to… Expand

103 12- PDF

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