Numerically evaluating the bispectrum in curved field-space— with PyTransport 2.0

DOI10.1088/1475-7516/2018/01/023OpenAlexW2749775114MaRDI QIDQ5021785

David J. Mulryne, John W. Ronayne

Publication date: 14 January 2022

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

Full work available at URL: https://arxiv.org/abs/1708.07130

zbMATH Keywords

inflationcosmological perturbation theory

Mathematics Subject Classification ID

Relativity and gravitational theory (83-XX)

Related Items (10)

Non-Gaussianity in D3-brane inflation ⋮ Probing inflation with precision bispectra ⋮ Revisiting non-Gaussianity in multifield inflation with curved field space ⋮ Multi-field inflation with large scalar fluctuations: non-Gaussianity and perturbativity ⋮ Pole N-flation ⋮ Manyfield inflation in random potentials ⋮ Attractor behaviour in multifield inflation ⋮ Primordial fluctuations and non-Gaussianities in sidetracked inflation ⋮ Flattened non-Gaussianities from the effective field theory of inflation with imaginary speed of sound ⋮ Multifield inflation beyond N_field=2: non-Gaussianities and single-field effective theory

Uses Software

• PyTransport
• CppTransport
• MultiModeCode
• BINGO

Cites Work

• AdS/CFT correspondence and symmetry breaking
• Hamiltonian formalism and gauge invariance for linear perturbations in inflation
• Productive interactions: heavy particles and non-Gaussianity
• A short note on the curvature perturbation at second order

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