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Title: Swampland conjectures and late-time cosmology

Abstract

We discuss the cosmological implications of the string swampland conjectures for late-time cosmology, and test them against a wide range of state of the art cosmological observations. The refined de Sitter conjecture constrains either the minimal slope or the curvature of the scalar potential, and depends on two dimensionless constants. For constants of size one or larger, tension exists between observations, especially the Hubble constant, and the slope and curvature conjectures at a level of 4.5σ and 2.3σ, respectively. Smaller values of the constants are permitted by observations, and we determine upper bounds at varying confidence levels. We also derive and constrain the relationship between cosmological observables and the scalar field excursion during the acceleration epoch, thereby testing the distance conjecture.

Authors:
; ;
Publication Date:
Research Org.:
Univ. of Chicago, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP); National Science Foundation (NSF)
OSTI Identifier:
1507604
Alternate Identifier(s):
OSTI ID: 1593891
Grant/Contract Number:  
SC0009924; FG02-13ER41958; NNX15AK22G; PHY-1316960
Resource Type:
Published Article
Journal Name:
Physical Review D
Additional Journal Information:
Journal Name: Physical Review D Journal Volume: 99 Journal Issue: 8; Journal ID: ISSN 2470-0010
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
79 ASTRONOMY AND ASTROPHYSICS; Alternative gravity theories; Cosmic microwave background; Dark energy; String phenomenology

Citation Formats

Raveri, Marco, Hu, Wayne, and Sethi, Savdeep. Swampland conjectures and late-time cosmology. United States: N. p., 2019. Web. doi:10.1103/PhysRevD.99.083518.
Raveri, Marco, Hu, Wayne, & Sethi, Savdeep. Swampland conjectures and late-time cosmology. United States. doi:10.1103/PhysRevD.99.083518.
Raveri, Marco, Hu, Wayne, and Sethi, Savdeep. Thu . "Swampland conjectures and late-time cosmology". United States. doi:10.1103/PhysRevD.99.083518.
@article{osti_1507604,
title = {Swampland conjectures and late-time cosmology},
author = {Raveri, Marco and Hu, Wayne and Sethi, Savdeep},
abstractNote = {We discuss the cosmological implications of the string swampland conjectures for late-time cosmology, and test them against a wide range of state of the art cosmological observations. The refined de Sitter conjecture constrains either the minimal slope or the curvature of the scalar potential, and depends on two dimensionless constants. For constants of size one or larger, tension exists between observations, especially the Hubble constant, and the slope and curvature conjectures at a level of 4.5σ and 2.3σ, respectively. Smaller values of the constants are permitted by observations, and we determine upper bounds at varying confidence levels. We also derive and constrain the relationship between cosmological observables and the scalar field excursion during the acceleration epoch, thereby testing the distance conjecture.},
doi = {10.1103/PhysRevD.99.083518},
journal = {Physical Review D},
number = 8,
volume = 99,
place = {United States},
year = {2019},
month = {4}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
DOI: 10.1103/PhysRevD.99.083518

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Cited by: 19 works
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Works referenced in this record:

CONSTRAINTS ON COSMOLOGY FROM THE COSMIC MICROWAVE BACKGROUND POWER SPECTRUM OF THE 2500 deg 2 SPT-SZ SURVEY
journal, January 2014


Remarks on scale separation in flux vacua
journal, March 2016

  • Gautason, F. F.; Schillo, M.; Van Riet, T.
  • Journal of High Energy Physics, Vol. 2016, Issue 3
  • DOI: 10.1007/JHEP03(2016)061

Hierarchies from fluxes in string compactifications
journal, November 2002


Priors on the effective dark energy equation of state in scalar-tensor theories
journal, October 2017


What if string theory has no de Sitter vacua?
journal, September 2018

  • Danielsson, Ulf H.; Riet, Thomas Van
  • International Journal of Modern Physics D, Vol. 27, Issue 12
  • DOI: 10.1142/S0218271818300070

The 6dF Galaxy Survey: baryon acoustic oscillations and the local Hubble constant: 6dFGS: BAOs and the local Hubble constant
journal, July 2011


Efficient Computation of Cosmic Microwave Background Anisotropies in Closed Friedmann‐Robertson‐Walker Models
journal, August 2000

  • Lewis, Antony; Challinor, Anthony; Lasenby, Anthony
  • The Astrophysical Journal, Vol. 538, Issue 2
  • DOI: 10.1086/309179

Effective field theory of cosmic acceleration: An implementation in CAMB
journal, May 2014


The Landscape, the Swampland and the Era of Precision Cosmology
journal, November 2018

  • Akrami, Yashar; Kallosh, Renata; Linde, Andrei
  • Fortschritte der Physik, Vol. 67, Issue 1-2
  • DOI: 10.1002/prop.201800075

Constraints on low-dimensional string compactifications
journal, November 1996


De Sitter vs Quintessence in String Theory
journal, October 2018

  • Cicoli, M.; de Alwis, S.; Maharana, A.
  • Fortschritte der Physik, Vol. 67, Issue 1-2
  • DOI: 10.1002/prop.201800079

Smeared versus localised sources in flux compactifications
journal, December 2010

  • Blåbäck, Johan; Danielsson, Ulf H.; Junghans, Daniel
  • Journal of High Energy Physics, Vol. 2010, Issue 12
  • DOI: 10.1007/JHEP12(2010)043

Milky Way Cepheid Standards for Measuring Cosmic Distances and Application to Gaia DR2: Implications for the Hubble Constant
journal, July 2018

  • Riess, Adam G.; Casertano, Stefano; Yuan, Wenlong
  • The Astrophysical Journal, Vol. 861, Issue 2
  • DOI: 10.3847/1538-4357/aac82e

Effective field theory of cosmic acceleration: Constraining dark energy with CMB data
journal, August 2014


Scanning the skeleton of the 4D F-theory landscape
journal, January 2018


Type IIA moduli stabilization
journal, July 2005


The clustering of galaxies in the completed SDSS-III Baryon Oscillation Spectroscopic Survey: cosmological analysis of the DR12 galaxy sample
journal, March 2017

  • Alam, Shadab; Ata, Metin; Bailey, Stephen
  • Monthly Notices of the Royal Astronomical Society, Vol. 470, Issue 3
  • DOI: 10.1093/mnras/stx721

M-theory on eight-manifolds
journal, October 1996


Planck 2015 results : XI. CMB power spectra, likelihoods, and robustness of parameters
journal, September 2016


Prospects for probing the dark energy via supernova distance measurements
journal, August 1999


CFHTLenS tomographic weak lensing cosmological parameter constraints: Mitigating the impact of intrinsic galaxy alignments
journal, May 2013

  • Heymans, Catherine; Grocutt, Emma; Heavens, Alan
  • Monthly Notices of the Royal Astronomical Society, Vol. 432, Issue 3
  • DOI: 10.1093/mnras/stt601

Planck 2015 results : XIII. Cosmological parameters
journal, September 2016


Further Refining the de Sitter Swampland Conjecture
journal, January 2019


Algorithmic universality in F-theory compactifications
journal, December 2017


Explaining the electroweak scale and stabilizing moduli in M theory
journal, December 2007


Distance and de Sitter conjectures on the Swampland
journal, January 2019


Systematics of aligned axions
journal, November 2017

  • Bachlechner, Thomas C.; Eckerle, Kate; Janssen, Oliver
  • Journal of High Energy Physics, Vol. 2017, Issue 11
  • DOI: 10.1007/JHEP11(2017)036

Uplifting Runaways
journal, January 2019

  • Bena, Iosif; Dudas, Emilian; Graña, Mariana
  • Fortschritte der Physik, Vol. 67, Issue 1-2
  • DOI: 10.1002/prop.201800100

Localized O6-plane solutions with Romans mass
journal, July 2012

  • Saracco, Fabio; Tomasiello, Alessandro
  • Journal of High Energy Physics, Vol. 2012, Issue 7
  • DOI: 10.1007/JHEP07(2012)077

On cosmological constants from α′-corrections
journal, June 2012

  • Gautason, Friðrik Freyr; Junghans, Daniel; Zagermann, Marco
  • Journal of High Energy Physics, Vol. 2012, Issue 6
  • DOI: 10.1007/JHEP06(2012)029

M-theory, orientifolds and G-flux
journal, August 1999


New Constraints on Classical de Sitter: Flirting with the Swampland
journal, January 2019


Classical de Sitter Solutions of 10-Dimensional Supergravity
journal, March 2019


The Tension between 10D Supergravity and dS Uplifts
journal, November 2018

  • Gautason, F. F.; Van Hemelryck, V.; Van Riet, T.
  • Fortschritte der Physik, Vol. 67, Issue 1-2
  • DOI: 10.1002/prop.201800091

The clustering of the SDSS DR7 main Galaxy sample – I. A 4 per cent distance measure at z = 0.15
journal, March 2015

  • Ross, Ashley J.; Samushia, Lado; Howlett, Cullan
  • Monthly Notices of the Royal Astronomical Society, Vol. 449, Issue 1
  • DOI: 10.1093/mnras/stv154

Supersymmetry breaking by fluxes
journal, October 2018


On the cosmological implications of the string Swampland
journal, September 2018


Cosmological parameters from CMB and other data: A Monte Carlo approach
journal, November 2002


Planck 2015 results : XV. Gravitational lensing
journal, September 2016


CFHTLenS revisited: assessing concordance with Planck including astrophysical systematics
journal, October 2016

  • Joudaki, Shahab; Blake, Chris; Heymans, Catherine
  • Monthly Notices of the Royal Astronomical Society, Vol. 465, Issue 2
  • DOI: 10.1093/mnras/stw2665

Quantum corrections and the de Sitter swampland conjecture
journal, January 2019

  • Dasgupta, Keshav; Emelin, Maxim; McDonough, Evan
  • Journal of High Energy Physics, Vol. 2019, Issue 1
  • DOI: 10.1007/JHEP01(2019)145

The F-theory geometry with most flux vacua
journal, December 2015

  • Taylor, Washington; Wang, Yi-Nan
  • Journal of High Energy Physics, Vol. 2015, Issue 12
  • DOI: 10.1007/JHEP12(2015)164

On uplifts by warped anti-D3-branes
journal, November 2018

  • Moritz, Jakob; Retolaza, Ander; Westphal, Alexander
  • Fortschritte der Physik, Vol. 67, Issue 1-2
  • DOI: 10.1002/prop.201800098

Constraining de Sitter Space in String Theory
journal, August 2015


Dark energy in the swampland
journal, December 2018

  • Heisenberg, Lavinia; Bartelmann, Matthias; Brandenberger, Robert
  • Physical Review D, Vol. 98, Issue 12
  • DOI: 10.1103/PhysRevD.98.123502

Scaling limits of dS vacua and the swampland
journal, March 2019

  • Banlaki, Andreas; Chowdhury, Abhishek; Roupec, Christoph
  • Journal of High Energy Physics, Vol. 2019, Issue 3
  • DOI: 10.1007/JHEP03(2019)065

Supergravity Description of Field Theories on Curved Manifolds and a no go Theorem
journal, February 2001

  • Maldacena, Juan; NuÑEz, Carlos
  • International Journal of Modern Physics A, Vol. 16, Issue 05
  • DOI: 10.1142/S0217751X01003937

Neutrino mass priors for cosmology from random matrices
journal, February 2018


Dynamical dark energy in light of the latest observations
journal, August 2017


Constraints on string cosmology
journal, March 2012


A Comment on Effective Field Theories of Flux Vacua
journal, December 2018


M-theory and type IIA flux compactifications
journal, December 2012


Planck 2015 results : XXIII. The thermal Sunyaev-Zeldovich effect-cosmic infrared background correlation
journal, September 2016


On uplifts by warped anti-D3-branes
text, January 2019

  • Moritz, Jakob; Retolaza, Ander; Westphal, Alexander
  • Deutsches Elektronen-Synchrotron, DESY, Hamburg
  • DOI: 10.3204/pubdb-2019-01980

    Works referencing / citing this record:

    Hyperbolic field space and swampland conjecture for DBI scalar
    journal, September 2019

    • Mizuno, Shuntaro; Mukohyama, Shinji; Pi, Shi
    • Journal of Cosmology and Astroparticle Physics, Vol. 2019, Issue 09
    • DOI: 10.1088/1475-7516/2019/09/072

    Constraints on quintessence scalar field models using cosmological observations
    journal, July 2019


    Relating the scalar weak gravity conjecture and the swampland distance conjecture for an accelerating universe
    journal, October 2019


    Thermal dark energy
    journal, January 2020


    Reheating constraints on the inflaton and dark matter: Swampland conjecture
    journal, May 2019


    Axion hilltops, Kahler modulus quintessence and the swampland criteria
    journal, October 2019


    Tsallis holographic dark energy models in axially symmetric space time
    journal, January 2020

    • Chandra Dubey, Vipin; Kumar Mishra, Ambuj; Srivastava, Shikha
    • International Journal of Geometric Methods in Modern Physics, Vol. 17, Issue 01
    • DOI: 10.1142/s0219887820500115