On the inflationary massive field with a curved field manifold

DOI10.1088/1475-7516/2020/01/046zbMath1489.83085arXiv1911.04459OpenAlexW3104952035MaRDI QIDQ5067829

Dong-Gang Wang

Publication date: 4 April 2022

Published in: Journal of Cosmology and Astroparticle Physics (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1911.04459

zbMATH Keywords

inflationcosmological perturbation theoryphysics of the early universe

Mathematics Subject Classification ID

Relativistic cosmology (83F05) Geometrodynamics and the holographic principle (83E05) Applications of differential geometry to physics (53Z05) Gravitational energy and conservation laws; groups of motions (83C40) Perturbations in context of PDEs (35B20) Asymptotic procedures (radiation, news functions, (mathcal{H} )-spaces, etc.) in general relativity and gravitational theory (83C30)

Related Items (16)

Opening the reheating box in multifield inflation ⋮ Continuous spectrum on cosmological collider ⋮ (Slow-)twisting inflationary attractors ⋮ Inflation correlators at the one-loop order: nonanalyticity, factorization, cutting rule, and OPE ⋮ Classical cosmological collider physics and primordial features ⋮ Closed-form formulae for inflation correlators ⋮ Helical inflation correlators: partial Mellin-Barnes and bootstrap equations ⋮ Bootstrapping one-loop inflation correlators with the spectral decomposition ⋮ Boostless cosmological collider bootstrap ⋮ Phase information in cosmological collider signals ⋮ Bootstrapping multi-field inflation: non-Gaussianities from light scalars revisited ⋮ Nonanalyticity and on-shell factorization of inflation correlators at all loop orders ⋮ Cosmological bootstrap in slow motion ⋮ Missing scalars at the cosmological collider ⋮ Precision calculation of inflation correlators at one loop ⋮ A manifestly covariant theory of multifield stochastic inflation in phase space: solving the discretisation ambiguity in stochastic inflation

Cites Work

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• Origin of ultra-light fields during inflation and their suppressed non-Gaussianity
• The string swampland constraints require multi-field inflation
• On backreaction effects in geometrical destabilisation of inflation
• Geometrical destabilisation of ultra-light axions in string inflation

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