String cosmology: From the early universe to today

Cicoli, Michele; Conlon, Joseph P.; Maharana, Anshuman; Parameswaran, Susha; Quevedo, Fernando; Carrasco, Ivonne Zavala

doi:10.1016/j.physrep.2024.01.002

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String cosmology: From the early universe to today

Michele Cicoli, Joseph P. Conlon, Anshuman Maharana, Susha Parameswaran, Fernando Quevedo, Ivonne Zavala Carrasco

Physics Reports, Volume: 1059, Pages: 1 - 155

Swansea University Author: Ivonne Zavala Carrasco

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DOI (Published version): 10.1016/j.physrep.2024.01.002

Abstract

We review applications of string theory to cosmology, from primordial times to the present-day accelerated expansion. Starting with a brief overview of cosmology and string compactifications, we discuss in detail moduli stabilisation, inflation in string theory, the impact of string theory on post-i...

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Published in:	Physics Reports
ISSN:	0370-1573
Published:	Elsevier BV 2024
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URI:	https://cronfa.swan.ac.uk/Record/cronfa66546
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spelling	v2 66546 2024-05-31 String cosmology: From the early universe to today 2fb8d4bb665e9a89d3b3478c17f646f8 0000-0002-5589-9928 Ivonne Zavala Carrasco Ivonne Zavala Carrasco true false 2024-05-31 BGPS We review applications of string theory to cosmology, from primordial times to the present-day accelerated expansion. Starting with a brief overview of cosmology and string compactifications, we discuss in detail moduli stabilisation, inflation in string theory, the impact of string theory on post-inflationary dynamics (reheating, moduli domination, kination), dark energy (the cosmological constant from a string landscape and models of quintessence) and various alternative scenarios (string/brane gases, the pre big-bang scenario, rolling tachyons, ekpyrotic/cyclic cosmologies, bubbles of nothing, S-brane and holographic cosmologies). The state of the art in string constructions is described in each topic and, where relevant, connections to swampland conjectures are made. The possibilities for novel particles and excitations (axions, moduli, cosmic strings, branes, solitons, oscillons and boson stars) are emphasised. Implications for the physics of the CMB, gravitational waves, dark matter and dark radiation are discussed along with potential observational signatures. Journal Article Physics Reports 1059 1 155 Elsevier BV 0370-1573 Early universe cosmology; String theory; Inflation; Dark energy 1 4 2024 2024-04-01 10.1016/j.physrep.2024.01.002 COLLEGE NANME Biosciences Geography and Physics School COLLEGE CODE BGPS Swansea University SU Library paid the OA fee (TA Institutional Deal) AM is supported in part by the SERB, DST, Government of India by the grant MTR/2019/000267. The work of FQ has been partially supported by STFC, United Kingdom consolidated grants ST/P000681/1, ST/T000694/1. JC has been partially supported by STFC, United Kingdom consolidated grants ST/P000770/1 and ST/T000864/1. IZ is partially funded by STFC, United Kingdom grant ST/T000813/1 and thanks Fondazione Cassa di Risparmio, Bologna, Italy for financial support during her visit to Bologna, where part of this work was developed. For the purpose of open access, the authors have applied a Creative Commons Attribution (CC BY) licence to any Author Accepted Manuscript version arising. Data access statement: no new data were generated for this work. 2024-05-31T13:26:17.6291178 2024-05-31T13:21:07.1634951 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Physics Michele Cicoli 1 Joseph P. Conlon 2 Anshuman Maharana 3 Susha Parameswaran 4 Fernando Quevedo 5 Ivonne Zavala Carrasco 0000-0002-5589-9928 6 66546__30496__b1fed1f03b8d46eb9fb4bb4c93cd9feb.pdf 66546.VoR.pdf 2024-05-31T13:23:36.8139914 Output 4198999 application/pdf Version of Record true ©2024 The Author(s). This is an open access article under the CC BY license. true eng http://creativecommons.org/licenses/by/4.0/
title	String cosmology: From the early universe to today
spellingShingle	String cosmology: From the early universe to today Ivonne Zavala Carrasco
title_short	String cosmology: From the early universe to today
title_full	String cosmology: From the early universe to today
title_fullStr	String cosmology: From the early universe to today
title_full_unstemmed	String cosmology: From the early universe to today
title_sort	String cosmology: From the early universe to today
author_id_str_mv	2fb8d4bb665e9a89d3b3478c17f646f8
author_id_fullname_str_mv	2fb8d4bb665e9a89d3b3478c17f646f8_***_Ivonne Zavala Carrasco
author	Ivonne Zavala Carrasco
author2	Michele Cicoli Joseph P. Conlon Anshuman Maharana Susha Parameswaran Fernando Quevedo Ivonne Zavala Carrasco
format	Journal article
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container_volume	1059
container_start_page	1
publishDate	2024
institution	Swansea University
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description	We review applications of string theory to cosmology, from primordial times to the present-day accelerated expansion. Starting with a brief overview of cosmology and string compactifications, we discuss in detail moduli stabilisation, inflation in string theory, the impact of string theory on post-inflationary dynamics (reheating, moduli domination, kination), dark energy (the cosmological constant from a string landscape and models of quintessence) and various alternative scenarios (string/brane gases, the pre big-bang scenario, rolling tachyons, ekpyrotic/cyclic cosmologies, bubbles of nothing, S-brane and holographic cosmologies). The state of the art in string constructions is described in each topic and, where relevant, connections to swampland conjectures are made. The possibilities for novel particles and excitations (axions, moduli, cosmic strings, branes, solitons, oscillons and boson stars) are emphasised. Implications for the physics of the CMB, gravitational waves, dark matter and dark radiation are discussed along with potential observational signatures.
published_date	2024-04-01T13:26:16Z
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String cosmology: From the early universe to today

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