Search Results - "Linde, Andrei"
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KKLT without AdS
Published in The journal of high energy physics (01-05-2020)“…A bstract According to the KKLT scenario, metastable dS vacua are formed as a result of uplifting of supersymmetric AdS vacua by D 3 ¯ branes. I describe an…”
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The Landscape, the Swampland and the Era of Precision Cosmology
Published in Fortschritte der Physik (01-01-2019)“…We review the advanced version of the KKLT construction and pure d=4 de Sitter supergravity, involving a nilpotent multiplet, with regard to various…”
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Universal attractor for inflation at strong coupling
Published in Physical review letters (07-01-2014)“…We introduce a novel nonminimal coupling between gravity and the inflaton sector. Remarkably, for large values of this coupling all models asymptote to a…”
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B-mode targets
Published in Physics letters. B (10-11-2019)“…The CMB-S4 Science Book [1], Simons Observatory report [2], Astro2020 Science White Paper on gravitational waves [3], and PICO report [4] contain an extensive…”
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dS vacua and the swampland
Published in The journal of high energy physics (01-03-2019)“…A bstract In this note we revisit some of the recent 10d and 4d arguments suggesting that the uplifting of supersymmetric AdS vacua leads to a flattening of…”
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Cosmological attractors and initial conditions for inflation
Published in Physical review. D, Particles, fields, gravitation, and cosmology (17-09-2015)Get full text
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Mass production of type IIA dS vacua
Published in The journal of high energy physics (01-01-2020)“…A bstract A three-step procedure is proposed in type IIA string theory to stabilize multiple moduli in a dS vacuum. The first step is to construct a progenitor…”
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Planck 2018 and brane inflation revisited
Published in The journal of high energy physics (01-01-2019)“…A bstract We revisit phenomenological as well as string-theoretical aspects of D-brane inflation cosmological models. Phenomenologically these models stand out…”
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Analytic classes of metastable de Sitter vacua
Published in The journal of high energy physics (01-10-2014)“…A bstract In this paper, we give a systematic procedure for building locally stable dS vacua in N = 1 supergravity models motivated by string theory. We assume…”
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Fibre inflation and α-attractors
Published in The journal of high energy physics (01-02-2018)“…A bstract Fibre inflation is a specific string theory construction based on the Large Volume Scenario that produces an inflationary plateau. We outline its…”
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Maximal supersymmetry and B-mode targets
Published in The journal of high energy physics (01-04-2017)“…A bstract Extending the work of Ferrara and one of the authors [1], we present dynamical cosmological models of α-attractors with plateau potentials for 3 α =…”
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Chaotic inflation in supergravity after Planck and BICEP2
Published in Physical review. D, Particles, fields, gravitation, and cosmology (30-07-2014)Get full text
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13
Goldstino condensation?
Published in The journal of high energy physics (18-08-2022)“…A bstract It was argued in [1] that the Volkov-Akulov (VA) model as well as similar models in supergravity and the related KKLT model in string theory, suffer…”
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IIB String Theory and Sequestered Inflation
Published in Fortschritte der Physik (01-12-2021)“…We develop sequestered inflation models, where inflation occurs along flat directions in supergravity models derived from type IIB string theory. It is…”
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The double attractor behavior of induced inflation
Published in The journal of high energy physics (01-09-2014)“…A bstract We describe an induced inflation, which refers to a class of inflationary models with a generalized non-minimal coupling ξg ( ϕ ) R and a specific…”
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M-theory cosmology, octonions, error correcting codes
Published in The journal of high energy physics (26-01-2021)“…A bstract We study M-theory compactified on twisted 7-tori with G 2 -holonomy. The effective 4d supergravity has 7 chiral multiplets, each with a unit…”
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Sequestered Inflation
Published in Fortschritte der Physik (01-12-2021)“…We construct supergravity models allowing to sequester the phenomenology of inflation from the Planckian energy scale physics. The procedure consists of two…”
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Mass production of IIA and IIB dS vacua
Published in The journal of high energy physics (01-02-2020)“…A bstract We describe several applications of the mass production procedure proposed in [ 1 ] to stabilize multiple moduli in a dS vacuum, in supergravity…”
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Domain walls, near-BPS bubbles, and probabilities in the landscape
Published in Physical review. D, Particles, fields, gravitation, and cosmology (01-10-2006)Get full text
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Dynamics of symmetry breaking and tachyonic preheating
Published in Physical review letters (02-07-2001)“…We reconsider the old problem of the dynamics of spontaneous symmetry breaking (SSB) using 3D lattice simulations. We develop a theory of tachyonic preheating,…”
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