Scalar perturbations during multiple-field slow-roll inflation

From MaRDI portal
Publication:4330260

DOI10.1088/0264-9381/19/4/302zbMath1005.83053arXivhep-ph/0107272OpenAlexW3101983516MaRDI QIDQ4330260

S. Groot Nibbelink, B. J. W. van Tent

Publication date: 15 May 2002

Published in: Classical and Quantum Gravity (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/hep-ph/0107272




Related Items

The inflaton that could: primordial black holes and second order gravitational waves from tachyonic instability induced in Higgs-R2inflationGeneralized two-field \(\alpha\)-attractor models from the hyperbolic triply-punctured sphereAnatomy of geometrical destabilization of inflationGeneralized \(\alpha\)-attractor models from elementary hyperbolic surfacesInflating in a trough: single-field effective theory from multiple-field curved valleysEffective field theory approach to quasi-single field inflation and effects of heavy fieldsNon-Gaussianity in D3-brane inflationOpening the reheating box in multifield inflationMild non-Gaussianities under perturbative control from rapid-turn inflation modelsScaling attractors in multi-field inflationAngular inflation in multi-field α-attractorsFat inflatons, large turns and the η-problemOn the inflationary massive field with a curved field manifoldA tip for landscape riders: multi-field inflation can fulfill the swampland distance conjectureNon-Gaussian CMB and LSS statistics beyond polyspectraAttractors, bifurcations and curvature in multi-field inflationGenerating primordial features at large scales in two field models of inflationOrigin of ultra-light fields during inflation and their suppressed non-GaussianityDynamical renormalization and universality in classical multifield cosmological modelsRevisiting non-Gaussianity in multifield inflation with curved field spaceRevisiting small-scale fluctuations in α-attractor models of inflationMulti-field inflation with large scalar fluctuations: non-Gaussianity and perturbativity(Slow-)twisting inflationary attractorsHiggs vacuum (in)stability during inflation. The dangerous relevance of De Sitter departure and Planck-suppressed operatorsAdiabatic and isocurvature perturbations in extended theories with kinetic couplingsOn the constant roll complex scalar field inflationary modelsSharp turns in axion monodromy: primordial black holes and gravitational waves(Super)universal attractors and the de Sitter vacua in string landscapeBootstrapping multi-field inflation: non-Gaussianities from light scalars revisitedCosmological bootstrap in slow motionModular inflation observables and \(j\)-inflation phenomenologyIsocurvature perturbations during two-field inflation and reheatingScalaron-Higgs inflationMulti-field dark energy: cosmic acceleration on a steep potentialGeneralized two-field \(\alpha\)-attractor models from geometrically finite hyperbolic surfacesMatching and running sensitivity in non-renormalizable inflationary modelsSpinflation with angular potentialsNonperturbative dynamics of reheating after inflation: A reviewA COVARIANT APPROACH TO THE GENERALIZED MULTI-INFLATON COSMOLOGICAL PERTURBATIONGeometric phase of linear cosmological perturbations in two-field inflationHidden symmetries of two-field cosmological modelsLarge power spectrum and primordial black holes in the effective theory of inflationPrimordial gravitational waves from excited statesThe hand-made tail: non-perturbative tails from multifield inflationAxion landscape cosmologyThe string swampland constraints require multi-field inflationOn backreaction effects in geometrical destabilisation of inflationGeometrical destabilisation of ultra-light axions in string inflationSINGLE SCALAR COSMOLOGYPrimordial perturbations in multi-scalar inflationSeven lessons from manyfield inflation in random potentialsManyfield inflation in random potentialsNon-Gaussianities in a two-field generalization of natural inflationUniversality of multi-field α-attractorsHypernatural inflationPrimordial fluctuations and non-Gaussianities in sidetracked inflationInflation in multi-field modified DBM potentialsCovariant evolution of perturbations during reheating in two-field inflationCumulative effects in inflation with ultra-light entropy modesSharp predictions from eternal inflation patches in D-brane inflationNon-Gaussianity in two-field inflation beyond the slow-roll approximationMultifield inflation beyond Nfield=2: non-Gaussianities and single-field effective theoryA manifestly covariant theory of multifield stochastic inflation in phase space: solving the discretisation ambiguity in stochastic inflationObservational constraints on HyperinflationOn primordial black holes from rapid turns in two-field modelsPerturbation spectra and renormalization-group techniques in double-field inflation and quantum gravity cosmology