O-folds. Orientifolds and orbifolds in exceptional field theory

A., Chris D.; Malek, Emanuel; Thompson, Daniel

doi:10.1007/jhep09(2018)157

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O-folds. Orientifolds and orbifolds in exceptional field theory

Chris D. A. Blair, Emanuel Malek, Daniel Thompson

Journal of High Energy Physics, Volume: 2018, Issue: 9

Swansea University Author: Daniel Thompson

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DOI (Published version): 10.1007/jhep09(2018)157

Abstract

We describe conventional orientifold and orbifold quotients of string and M-theory in a unified approach based on exceptional field theory (ExFT). Using an extended spacetime, ExFT combines all the maximal ten and eleven dimensional supergravities into a single theory manifesting a global symmetry c...

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Published in:	Journal of High Energy Physics
ISSN:	1029-8479
Published:	Springer Science and Business Media LLC 2018
Online Access:	Check full text
URI:	https://cronfa.swan.ac.uk/Record/cronfa44773
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first_indexed	2018-10-04T19:03:15Z
last_indexed	2020-07-26T19:06:02Z
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spelling	2020-07-26T16:05:18.7272847 v2 44773 2018-10-04 O-folds. Orientifolds and orbifolds in exceptional field theory 9c8715ee44a574eda1194c9808d99c62 0000-0001-8319-8275 Daniel Thompson Daniel Thompson true false 2018-10-04 SPH We describe conventional orientifold and orbifold quotients of string and M-theory in a unified approach based on exceptional field theory (ExFT). Using an extended spacetime, ExFT combines all the maximal ten and eleven dimensional supergravities into a single theory manifesting a global symmetry corresponding to the exceptional series of Lie groups. Here we will see how this extends to half-maximal theories by showing how a single $\mathbb{Z}_2$ \emph{generalised orbifold} (or O-fold), of ExFT gives rise to M-theory on an interval, type II with orientifold planes and the heterotic theories in an elegant fashion. We study in more detail such orbifold and orientifold actions preserving half-maximal supersymmetry, and show how the half-maximal structure of \EFT{} permits the inclusion of localised non-Abelian vector multiplets located at the orbifold fixed points. This allows us to reproduce for the $\mathbb{Z}_2$ example the expected modifications to the gauge transformations, Bianchi identities and actions of the theories obtained from the single ExFT starting point. We comment on the prospects of studying anomaly cancellation and more complicated, non-perturbative O-folds in the ExFT framework. Journal Article Journal of High Energy Physics 2018 9 Springer Science and Business Media LLC 1029-8479 D-branes; M-theory; String Duality; Superstring Vacua 26 9 2018 2018-09-26 10.1007/jhep09(2018)157 COLLEGE NANME Physics COLLEGE CODE SPH Swansea University 2020-07-26T16:05:18.7272847 2018-10-04T13:35:36.8005850 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Physics Chris D. A. Blair 1 Emanuel Malek 2 Daniel Thompson 0000-0001-8319-8275 3 0044773-11102018114114.pdf 44773.pdf 2018-10-11T11:41:14.2630000 Output 1487751 application/pdf Version of Record true Released under the terms of a Creative Commons Attribution License (CC-BY). true eng http://creativecommons.org/licenses/by/4.0/
title	O-folds. Orientifolds and orbifolds in exceptional field theory
spellingShingle	O-folds. Orientifolds and orbifolds in exceptional field theory Daniel Thompson
title_short	O-folds. Orientifolds and orbifolds in exceptional field theory
title_full	O-folds. Orientifolds and orbifolds in exceptional field theory
title_fullStr	O-folds. Orientifolds and orbifolds in exceptional field theory
title_full_unstemmed	O-folds. Orientifolds and orbifolds in exceptional field theory
title_sort	O-folds. Orientifolds and orbifolds in exceptional field theory
author_id_str_mv	9c8715ee44a574eda1194c9808d99c62
author_id_fullname_str_mv	9c8715ee44a574eda1194c9808d99c62_***_Daniel Thompson
author	Daniel Thompson
author2	Chris D. A. Blair Emanuel Malek Daniel Thompson
format	Journal article
container_title	Journal of High Energy Physics
container_volume	2018
container_issue	9
publishDate	2018
institution	Swansea University
issn	1029-8479
doi_str_mv	10.1007/jhep09(2018)157
publisher	Springer Science and Business Media LLC
college_str	Faculty of Science and Engineering
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hierarchy_top_id	facultyofscienceandengineering
hierarchy_top_title	Faculty of Science and Engineering
hierarchy_parent_id	facultyofscienceandengineering
hierarchy_parent_title	Faculty of Science and Engineering
department_str	School of Biosciences, Geography and Physics - Physics{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Biosciences, Geography and Physics - Physics
document_store_str	1
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description	We describe conventional orientifold and orbifold quotients of string and M-theory in a unified approach based on exceptional field theory (ExFT). Using an extended spacetime, ExFT combines all the maximal ten and eleven dimensional supergravities into a single theory manifesting a global symmetry corresponding to the exceptional series of Lie groups. Here we will see how this extends to half-maximal theories by showing how a single $\mathbb{Z}_2$ \emph{generalised orbifold} (or O-fold), of ExFT gives rise to M-theory on an interval, type II with orientifold planes and the heterotic theories in an elegant fashion. We study in more detail such orbifold and orientifold actions preserving half-maximal supersymmetry, and show how the half-maximal structure of \EFT{} permits the inclusion of localised non-Abelian vector multiplets located at the orbifold fixed points. This allows us to reproduce for the $\mathbb{Z}_2$ example the expected modifications to the gauge transformations, Bianchi identities and actions of the theories obtained from the single ExFT starting point. We comment on the prospects of studying anomaly cancellation and more complicated, non-perturbative O-folds in the ExFT framework.
published_date	2018-09-26T03:56:10Z
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score	11.013799

O-folds. Orientifolds and orbifolds in exceptional field theory

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