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Title: Automatic enhancement in 6D supergravity and F-theory models

Abstract

We observe that in many F-theory models, tuning a specific gauge group G and matter content M under certain circumstances leads to an automatic enhancement to a larger gauge group G' ⊂ G and matter content M' ⊂ M. We propose that this is true for any theory G, M whenever there exists a containing theory G', M' that cannot be Higgsed down to G, M. We give a number of examples including non-Higgsable gauge factors, nonabelian gauge factors, abelian gauge factors, and exotic matter. In each of these cases, tuning an F-theory model with the desired features produces either an enhancement or an inconsistency, often when the associated anomaly coefficient becomes too large. This principle applies to a variety of models in the apparent 6D supergravity swampland, including some of the simplest cases with U(1) and SU(N) gauge groups and generic matter, as well as infinite families of U(1) models with higher charges presented in the prior literature, potentially ruling out all these apparent swampland theories.

Authors:
 [1];  [2]; ORCiD logo [3]
  1. Virginia Polytechnic Inst. and State Univ. (Virginia Tech), Blacksburg, VA (United States). Dept. of Physics
  2. Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States). Dept. of Physics
  3. Univ. of Pennsylvania, Philadelphia, PA (United States). Dept. of Physics and Astronomy
Publication Date:
Research Org.:
Univ. of Pennsylvania, Philadelphia, PA (United States)
Sponsoring Org.:
USDOE Office of Science (SC); National Science Foundation (NSF)
OSTI Identifier:
1851811
Grant/Contract Number:  
SC0013528; SC00012567; PHY-1720321
Resource Type:
Accepted Manuscript
Journal Name:
Journal of High Energy Physics (Online)
Additional Journal Information:
Journal Name: Journal of High Energy Physics (Online); Journal Volume: 2021; Journal Issue: 7; Journal ID: ISSN 1029-8479
Publisher:
Springer Nature
Country of Publication:
United States
Language:
English
Subject:
79 ASTRONOMY AND ASTROPHYSICS; physics; F-theory; gauge symmetry; supergravity models

Citation Formats

Raghuram, Nikhil, Taylor, Washington, and Turner, Andrew P. Automatic enhancement in 6D supergravity and F-theory models. United States: N. p., 2021. Web. doi:10.1007/jhep07(2021)048.
Raghuram, Nikhil, Taylor, Washington, & Turner, Andrew P. Automatic enhancement in 6D supergravity and F-theory models. United States. https://doi.org/10.1007/jhep07(2021)048
Raghuram, Nikhil, Taylor, Washington, and Turner, Andrew P. Fri . "Automatic enhancement in 6D supergravity and F-theory models". United States. https://doi.org/10.1007/jhep07(2021)048. https://www.osti.gov/servlets/purl/1851811.
@article{osti_1851811,
title = {Automatic enhancement in 6D supergravity and F-theory models},
author = {Raghuram, Nikhil and Taylor, Washington and Turner, Andrew P.},
abstractNote = {We observe that in many F-theory models, tuning a specific gauge group G and matter content M under certain circumstances leads to an automatic enhancement to a larger gauge group G' ⊂ G and matter content M' ⊂ M. We propose that this is true for any theory G, M whenever there exists a containing theory G', M' that cannot be Higgsed down to G, M. We give a number of examples including non-Higgsable gauge factors, nonabelian gauge factors, abelian gauge factors, and exotic matter. In each of these cases, tuning an F-theory model with the desired features produces either an enhancement or an inconsistency, often when the associated anomaly coefficient becomes too large. This principle applies to a variety of models in the apparent 6D supergravity swampland, including some of the simplest cases with U(1) and SU(N) gauge groups and generic matter, as well as infinite families of U(1) models with higher charges presented in the prior literature, potentially ruling out all these apparent swampland theories.},
doi = {10.1007/jhep07(2021)048},
journal = {Journal of High Energy Physics (Online)},
number = 7,
volume = 2021,
place = {United States},
year = {Fri Jul 09 00:00:00 EDT 2021},
month = {Fri Jul 09 00:00:00 EDT 2021}
}

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