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Article

Dynamically Generated Inflationary ΛCDM

1
Physics Department, Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel
2
Frankfurt Institute for Advanced Studies (FIAS), Ruth-Moufang-Strasse 1, 60438 Frankfurt am Main, Germany
3
Bahamas Advanced Study Institute and Conferences, 4A Ocean Heights, Hill View Circle, Stella Maris, Long Island, Bahamas
4
Institute for Nuclear Research and Nuclear Energy, Bulgarian Academy of Sciences, Sofia, Bulgaria
*
Author to whom correspondence should be addressed.
Symmetry 2020, 12(3), 481; https://doi.org/10.3390/sym12030481
Received: 13 February 2020 / Accepted: 12 March 2020 / Published: 20 March 2020
(This article belongs to the Special Issue Selected Papers: 10th Mathematical Physics Meeting)
Our primary objective is to construct a plausible, unified model of inflation, dark energy and dark matter from a fundamental Lagrangian action first principle, wherein all fundamental ingredients are systematically dynamically generated starting from a very simple model of modified gravity interacting with a single scalar field employing the formalism of non-Riemannian spacetime volume-elements. The non-Riemannian volume element in the initial scalar field action leads to a hidden, nonlinear Noether symmetry which produces an energy-momentum tensor identified as the sum of a dynamically generated cosmological constant and dust-like dark matter. The non-Riemannian volume-element in the initial Einstein–Hilbert action upon passage to the physical Einstein-frame creates, dynamically, a second scalar field with a non-trivial inflationary potential and with an additional interaction with the dynamically generated dark matter. The resulting Einstein-frame action describes a fully dynamically generated inflationary model coupled to dark matter. Numerical results for observables such as the scalar power spectral index and the tensor-to-scalar ratio conform to the latest 2018 PLANCK data. View Full-Text
Keywords: inflation; dark energy; dark matter inflation; dark energy; dark matter
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MDPI and ACS Style

Benisty, D.; Guendelman, E.I.; Nissimov, E.; Pacheva, S. Dynamically Generated Inflationary ΛCDM. Symmetry 2020, 12, 481. https://doi.org/10.3390/sym12030481

AMA Style

Benisty D, Guendelman EI, Nissimov E, Pacheva S. Dynamically Generated Inflationary ΛCDM. Symmetry. 2020; 12(3):481. https://doi.org/10.3390/sym12030481

Chicago/Turabian Style

Benisty, David, Eduardo I. Guendelman, Emil Nissimov, and Svetlana Pacheva. 2020. "Dynamically Generated Inflationary ΛCDM" Symmetry 12, no. 3: 481. https://doi.org/10.3390/sym12030481

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