Quintessential Inflation with Dynamical Higgs Generation as an Affine Gravity
First, we propose a scale-invariant modified gravity interacting with a neutral scalar inflaton and a Higgs-like <inline-formula> <math display="inline"> <semantics> <mrow> <mi>S</mi>...
Main Authors: | , , , |
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Format: | Article |
Language: | English |
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MDPI AG
2020-05-01
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Series: | Symmetry |
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Online Access: | https://www.mdpi.com/2073-8994/12/5/734 |
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author | David Benisty Eduardo I. Guendelman Emil Nissimov Svetlana Pacheva |
author_facet | David Benisty Eduardo I. Guendelman Emil Nissimov Svetlana Pacheva |
author_sort | David Benisty |
collection | DOAJ |
description | First, we propose a scale-invariant modified gravity interacting with a neutral scalar inflaton and a Higgs-like <inline-formula>
<math display="inline">
<semantics>
<mrow>
<mi>S</mi>
<mi>U</mi>
<mo>(</mo>
<mn>2</mn>
<mo>)</mo>
<mo>×</mo>
<mi>U</mi>
<mo>(</mo>
<mn>1</mn>
<mo>)</mo>
</mrow>
</semantics>
</math>
</inline-formula> iso-doublet scalar field based on the formalism of non-Riemannian (metric-independent) spacetime volume-elements. This model describes, in the physical Einstein frame, a quintessential inflationary scenario driven by the “inflaton” together with the gravity-“inflaton” assisted dynamical spontaneous <inline-formula>
<math display="inline">
<semantics>
<mrow>
<mi>S</mi>
<mi>U</mi>
<mo>(</mo>
<mn>2</mn>
<mo>)</mo>
<mo>×</mo>
<mi>U</mi>
<mo>(</mo>
<mn>1</mn>
<mo>)</mo>
</mrow>
</semantics>
</math>
</inline-formula> symmetry breaking in the post-inflationary universe, whereas the <inline-formula>
<math display="inline">
<semantics>
<mrow>
<mi>S</mi>
<mi>U</mi>
<mo>(</mo>
<mn>2</mn>
<mo>)</mo>
<mo>×</mo>
<mi>U</mi>
<mo>(</mo>
<mn>1</mn>
<mo>)</mo>
</mrow>
</semantics>
</math>
</inline-formula> symmetry remains intact in the inflationary epoch. Next, we find the explicit representation of the latter quintessential inflationary model with a dynamical Higgs effect as an Eddington-type purely affine gravity. |
first_indexed | 2024-03-10T20:02:08Z |
format | Article |
id | doaj.art-1df6497dfbfd41d493d60c02f19d9024 |
institution | Directory Open Access Journal |
issn | 2073-8994 |
language | English |
last_indexed | 2024-03-10T20:02:08Z |
publishDate | 2020-05-01 |
publisher | MDPI AG |
record_format | Article |
series | Symmetry |
spelling | doaj.art-1df6497dfbfd41d493d60c02f19d90242023-11-19T23:29:45ZengMDPI AGSymmetry2073-89942020-05-0112573410.3390/sym12050734Quintessential Inflation with Dynamical Higgs Generation as an Affine GravityDavid Benisty0Eduardo I. Guendelman1Emil Nissimov2Svetlana Pacheva3Physics Department, Ben-Gurion University of the Negev, Beer-Sheva 84105, IsraelPhysics Department, Ben-Gurion University of the Negev, Beer-Sheva 84105, IsraelInstitute for Nuclear Research and Nuclear Energy, Bulgarian Academy of Sciences, 1784 Sofia, BulgariaInstitute for Nuclear Research and Nuclear Energy, Bulgarian Academy of Sciences, 1784 Sofia, BulgariaFirst, we propose a scale-invariant modified gravity interacting with a neutral scalar inflaton and a Higgs-like <inline-formula> <math display="inline"> <semantics> <mrow> <mi>S</mi> <mi>U</mi> <mo>(</mo> <mn>2</mn> <mo>)</mo> <mo>×</mo> <mi>U</mi> <mo>(</mo> <mn>1</mn> <mo>)</mo> </mrow> </semantics> </math> </inline-formula> iso-doublet scalar field based on the formalism of non-Riemannian (metric-independent) spacetime volume-elements. This model describes, in the physical Einstein frame, a quintessential inflationary scenario driven by the “inflaton” together with the gravity-“inflaton” assisted dynamical spontaneous <inline-formula> <math display="inline"> <semantics> <mrow> <mi>S</mi> <mi>U</mi> <mo>(</mo> <mn>2</mn> <mo>)</mo> <mo>×</mo> <mi>U</mi> <mo>(</mo> <mn>1</mn> <mo>)</mo> </mrow> </semantics> </math> </inline-formula> symmetry breaking in the post-inflationary universe, whereas the <inline-formula> <math display="inline"> <semantics> <mrow> <mi>S</mi> <mi>U</mi> <mo>(</mo> <mn>2</mn> <mo>)</mo> <mo>×</mo> <mi>U</mi> <mo>(</mo> <mn>1</mn> <mo>)</mo> </mrow> </semantics> </math> </inline-formula> symmetry remains intact in the inflationary epoch. Next, we find the explicit representation of the latter quintessential inflationary model with a dynamical Higgs effect as an Eddington-type purely affine gravity.https://www.mdpi.com/2073-8994/12/5/734inflationdark energydynamical Higgs effectquintessence |
spellingShingle | David Benisty Eduardo I. Guendelman Emil Nissimov Svetlana Pacheva Quintessential Inflation with Dynamical Higgs Generation as an Affine Gravity Symmetry inflation dark energy dynamical Higgs effect quintessence |
title | Quintessential Inflation with Dynamical Higgs Generation as an Affine Gravity |
title_full | Quintessential Inflation with Dynamical Higgs Generation as an Affine Gravity |
title_fullStr | Quintessential Inflation with Dynamical Higgs Generation as an Affine Gravity |
title_full_unstemmed | Quintessential Inflation with Dynamical Higgs Generation as an Affine Gravity |
title_short | Quintessential Inflation with Dynamical Higgs Generation as an Affine Gravity |
title_sort | quintessential inflation with dynamical higgs generation as an affine gravity |
topic | inflation dark energy dynamical Higgs effect quintessence |
url | https://www.mdpi.com/2073-8994/12/5/734 |
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