In the framework of standard single-field inflationary models with Einstein gravity, these results imply that: (a) the predictions of slow-roll models with a concave potential, V″(ϕ) < 0, are increasingly favoured by the data; and (b) based on two different methods for reconstructing the inflaton potential, we find no evidence for dynamics beyond slow roll. Neutron stars are stellar remnants with densities greater than that of an atomic nucleus. On this page you can find a list of Planck publications, ordered as follows. Polarized dust foregrounds (submitted) • Planck 2018 results. Planck 2018 Constraints Figure 6:2018 Planck results. Constraints on inflation • Planck 2018 results. Constraints on inflation Tools RDF+XML BibTeX RIOXX2 XML RDF+N-Triples JSON RefWorks Dublin Core Simple Metadata Refer METS Dublin Core HTML Unit Citation HTML Citation ASCII Citation HTML Profile Citation OpenURL ContextObject EndNote OpenURL ContextObject in Span MODS MPEG-21 DIDL EP3 XML Reference Manager RDF+N3 OAI-PMH RIOXX Multiline CSV Constraints on inflation Planck Collaboration, et.al., astro-ph. The constraints on αEM tighten slightly due to improved Planck 2018 polarization data but otherwise remain similar to previous CMB analysis. Agreement NNX16AC86A, Is ADS down? We report on the implications for cosmic inflation of the 2018 Release of the Planck CMB anisotropy measurements. arXiv is committed to these values and only works with partners that adhere to them. They are based on Planck HFI data and Planck lensing, as well as additional non-CMB data as detailed in the main parameter papers. Updated fundamental constant constraints from Planck 2018 data and possible relations to the Hubble tension Luke Hart 1?and Jens Chluba 1Jodrell Bank Centre for Astrophysics, Alan Turing Building, University of Manchester, Manchester M13 9PL Accepted –. Use, Smithsonian Planck 2018 results. VII. Constraints on primordial non-Gaussianity; Planck 2018 results. “Planck 2018 results. The 2015 Planck papers have been submitted to the A&A. I Can write the potential in … … Constraints on inflation Planck Collaboration: Y. Akrami55 We use data from Supernovae (SNIa) Scolnic sample, from Baryonic Acoustic Oscillations (BAO), and from cosmic chronometers measurements of the Hubble parameter (CC), alongside arguments from Big Bang Nucleosynthesis (BBN), in order to extract constraints on Myrzakulov F(R,T ) gravity. We also give a comprehensive summary of the major changes introduced in this 2018 release. “Planck 2018 results. We present cosmological parameter results from the final full-mission Planck measurements of the cosmic microwave background (CMB) anisotropies, combining information f The Planck 95% CL upper limit on the tensor-to-scalar ratio, r0.002 < 0.10, is further tightened by combining with the BICEP2/Keck Array BK15 data to obtain r0.002 < 0.056. We report on the implications for cosmic inflation of the 2018 Release of the Planck CMB anisotropy measurements. with Planck <≈0.01% For comparison: – Flatness in second place with now ~0.1% – Isocurvature constraints ~1% (hence tight constraints on topological defects, such as cosmic strings) Ben Wandelt, COSPAR 2018, July 2018 You do not currently have access to this article. Toggle navigation emion.io. Planck's measurements are the most precise ever, and confirm inflation's spectacularly: n_s = 0.965, with an uncertainty of less than 0.05%. V. Legacy Power Spectra and Likelihoods Planck 2018 results. Planck temperature, polarization, and lensing data determine the spectral index of scalar perturbations to be ns = 0.9649 ± 0.0042 at 68% CL. IX. VII. For full access to this pdf, sign in to an existing account, or purchase an annual subscription. Polarized dust foregrounds Planck Collaboration, et.al., astro-ph. Banday, R.B. Alternatives to general relativity; Inflation (cosmology) Theor. Planck 2015 results. Planck 2018 results. Does ns depend on the wavelength? Abstract. Isotropy and statistics The Planck data, alone and in combination with other probes, provide stringent constraints on our models of the early Universe and the large-scale structure within which all astrophysical objects form and evolve. We combine the Planck CMB anisotropy data in temperature with the low-multipole polarization data to fit ΛCDM models with various parameterizations of the reionization history. 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