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Title: Strong dynamics and natural inflation

Abstract

We continue our investigation of the 4D effective field theory for closed string axions in type II compactifications with D-branes. The inclusion of Stückelberg couplings for the axions requires the presence of chiral fermions at D-brane intersections, whose interactions at strong non-Abelian gauge coupling induce mass terms for the axions and scalar chiral condensate excitations, dubbed infladrons. The setup allows for a realization of naturallike inflation with a closed string axion as inflaton and a flattened scalar potential due to the backreaction of the more massive infladrons. We further point out that this large field inflationary model is not compromised by axionic wormhole corrections.

Authors:
;
Publication Date:
Research Org.:
Univ. of Wisconsin, Madison, WI (United States)
Sponsoring Org.:
USDOE Office of Science (SC)
OSTI Identifier:
1475097
Alternate Identifier(s):
OSTI ID: 1612735
Grant/Contract Number:  
SC0017647
Resource Type:
Published Article
Journal Name:
Physical Review D
Additional Journal Information:
Journal Name: Physical Review D Journal Volume: 98 Journal Issue: 8; Journal ID: ISSN 2470-0010
Publisher:
American Physical Society
Country of Publication:
United States
Language:
English
Subject:
79 ASTRONOMY AND ASTROPHYSICS; Astronomy & Astrophysics; Physics; Axions; Cosmology; Inflation; String phenomenology; Strings & branes

Citation Formats

Shiu, Gary, and Staessens, Wieland. Strong dynamics and natural inflation. United States: N. p., 2018. Web. doi:10.1103/PhysRevD.98.083504.
Shiu, Gary, & Staessens, Wieland. Strong dynamics and natural inflation. United States. https://doi.org/10.1103/PhysRevD.98.083504
Shiu, Gary, and Staessens, Wieland. Mon . "Strong dynamics and natural inflation". United States. https://doi.org/10.1103/PhysRevD.98.083504.
@article{osti_1475097,
title = {Strong dynamics and natural inflation},
author = {Shiu, Gary and Staessens, Wieland},
abstractNote = {We continue our investigation of the 4D effective field theory for closed string axions in type II compactifications with D-branes. The inclusion of Stückelberg couplings for the axions requires the presence of chiral fermions at D-brane intersections, whose interactions at strong non-Abelian gauge coupling induce mass terms for the axions and scalar chiral condensate excitations, dubbed infladrons. The setup allows for a realization of naturallike inflation with a closed string axion as inflaton and a flattened scalar potential due to the backreaction of the more massive infladrons. We further point out that this large field inflationary model is not compromised by axionic wormhole corrections.},
doi = {10.1103/PhysRevD.98.083504},
journal = {Physical Review D},
number = 8,
volume = 98,
place = {United States},
year = {2018},
month = {10}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
https://doi.org/10.1103/PhysRevD.98.083504

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Cited by: 4 works
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