Effective field theory of inflation

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No information is available for this page.Abstract: We construct the Supersymmetric Effective Field Theory of Inflation, that is the most general theory of inflationary fluctuations.We study the effective field theory of inflation, i.e. the most general theory describing the fluctuations around a quasi de Sitter background,.These notes present an introduction to /LambdaCDM cosmology and its possible inflationary precursor, with an emphasis on some of the ways.The main objective of this dissertation is to study an effective field theory for inflation that has been developed by Cheung et al. in [4]. In the first.[0709.0293] The Effective Field Theory of Inflation - arXiv[1711.10592] Intro to Effective Field Theories and Inflation - arXivThe Supersymmetric Effective Field Theory of Inflation - arXiv

The methods of effective field theory are used to study generic theories of inflation with a single inflaton field and to perform a general.We apply the effective field theory approach to quasi-single field inflation, which contains an additional scalar field with Hubble scale mass other than.We study the effective field theory of inflation, i.e. the most general theory describing the fluctuations around a quasi de Sitter background, in the case.We analyze the flow into inflation for generic single-clock systems, by combining an effective field theory approach with a dynamical-systems.Abstract: We generalize the Effective Field Theory of Inflation to include additional light scalar degrees of freedom that are in their.0709.0293 - arXivThe Effective Field Theory of Inflation. - PIRSA[1404.2684] The effective field theory of inflation/dark energy.. juhD453gf

3.2.3 EFT for inflationary fluctuations. mology by many of the same methods of effective field theory (EFT) used elsewhere in physics.Effective field theory is the cornerstone of our description of early universe cosmology, as exemplified by the theory of inflation.We provide a compact and unified treatment of power spectrum observables for the effective field theory (EFT) of inflation with the complete set of.We provide a compact and unified treatment of power spectrum observables for the effective field theory (EFT) of inflation with the complete.A bstractWe present a general framework where the effective field theory of single field inflation is extended by the inclusion of operators.We generalize the Effective Field Theory of Inflation to include additional light scalar degrees of freedom that are in their vacuum at the time the modes.We present the first quantum field theory model of inflation that is renormalizable in the matter sector, with a super-Hubble inflaton mass and.. scalar field, the environment during de Sitter inflation. non-perturbative framework to study the effective field theory of long.Abstract. The methods of effective field theory are used to study generic theories of inflation with a single inflaton field. For scalar modes, the leading.We describe models of single-field inflation with small and sharp step features in the potential (and sound speed) of the inflaton field, in the context of.We compute the low energy effective field theory (EFT) expansion for single-field inflationary models that descend from a parent theory containing multiple.We study the effective field theory (EFT) description of the virtual particle effects in quasi-single field inflation, which unifies the previous results on.Abstract. The leading account of several salient observable features of our universe today is provided by the theory of cosmic inflation.Let Effective Field Theory of inflation flow: stochastic generation of models with red/blue tensor tilt. Giulia Capurri1,2,3, Nicola Bartolo4,5,6,.Let Effective Field Theory of Inflation flow: stochastic generation. observable predictions of a very broad class of inflationary models.Dirac-Born-Infeld Galileon inflation, in which an induced gravity term. We formulate it in the language of the effective field theory of.Curvature perturbations in the effective field theory of inflation · Macarena Lagos, Meng-Xiang Lin, and Wayne Hu · Phys. Rev. D 100, 123507 –.We study generalized disformal transformations, including derivatives of the metric, in the context of the Effective Field Theory of Inflation.We discuss the difference between various gauge-invariant quantities typically used in single-field inflation, namely synchronous /zeta_s,.The effective field theory (EFT) of inflation provides an essential picture to explore the effects of the unknown high energy physics in the.This is a version of the authors Ph.D. thesis. The methods of effective field theory are used to study generic theories of inflation with a single inflaton.We derive new constraints from radiative stability and unitarity on effective field theories with such spontaneously broken Lorentz symmetry. In.By extending a formalism previously applied to inflation, we consider the. Finally, we discuss the relation with the covariant EFT methods recently.We extend the effective field theory of inflation to a general Lagrangian constructed from Arnowitt-Deser-Misner variables that encompasses.2 Effective Field Theory of Single-Field Inflation. 2. 3 Effective Approach for Models with Step Features in the Inflaton Potential 3. 3.1 Power Spectrum.IC/2007/032. The Effective Field Theory of Inflation. arXiv:0709.0293v2 [hep-th] 5 Mar 2008. Abstract. Clifford Cheung a, Paolo Creminelli b, .We study the effective field theory of inflation, i.e. the most general theory describing the fluctuations around a quasi de Sitter background, in the case.Starting from the effective field theory of inflation, we use the Goldstone action to calculate the three point correlation function for the.We generalize the effective field theory of single clock inflation to include dissipative effects. Working in unitary gauge we couple a set of.PDF - We present a general framework where the effective field theory of single field inflation is extended by the inclusion of operators.An effective field theory of inflation based on general relativity or any classical gravity theory necessarily fails above the Planck scale,.Abstract: The effective field theory (EFT) of inflation provides a natural framework to study the new physical effects on primordial.In this slow-roll limit, chromo-natural inflation is exactly equivalent to a single scalar field effective theory with a non-minimal kinetic term,.Abstract: We develop an effective-field-theory (EFT) framework for inflation with various symmetry breaking pattern.The methods of effective field theory are used to study generic theories of inflation with a single inflaton field. For scalar modes, the leading.. Fields: Effective Field Theory for Kinetically Driven Inflation. effective Lagrangian for a pseudo scalar (axion) inflaton field with.Flattened non-Gaussianities from the effective field theory of inflation with imaginary speed of sound. Sebastian Garcia-Saenz1 and Sébastien Renaux-Petel1.We investigate the possible influence of very-high-energy physics on inflationary predictions, focusing on whether effective field theories can allow.

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