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Glueballs on the baryonic branch of Klebanov-Strassler: dimensional deconstruction and a light scalar particle

Daniel Elander, Maurizio Piai Orcid Logo

Journal of High Energy Physics, Volume: 2017, Issue: 6, Pages: 1 - 44

Swansea University Author: Maurizio Piai Orcid Logo

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DOI (Published version): 10.1007/JHEP06(2017)003

Abstract

Within gauge/gravity duality, we compute the scalar and tensor mass spectrumin the boundary theory defined by the five-dimensional sigma-model coupled to gravityobtained by constraining to eight scalars the truncation on T(1,1) that corresponds to thePapadopoulos-Tseytlin (PT) ansatz. We study fluct...

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Published in: Journal of High Energy Physics
ISSN: 1029-8479
Published: 2017
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URI: https://cronfa.swan.ac.uk/Record/cronfa33918
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first_indexed 2017-05-24T14:11:22Z
last_indexed 2020-07-14T18:53:45Z
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spelling 2020-07-14T16:10:14.0588167 v2 33918 2017-05-24 Glueballs on the baryonic branch of Klebanov-Strassler: dimensional deconstruction and a light scalar particle 3ce295f2c7cc318bac7da18f9989d8c3 0000-0002-2251-0111 Maurizio Piai Maurizio Piai true false 2017-05-24 SPH Within gauge/gravity duality, we compute the scalar and tensor mass spectrumin the boundary theory defined by the five-dimensional sigma-model coupled to gravityobtained by constraining to eight scalars the truncation on T(1,1) that corresponds to thePapadopoulos-Tseytlin (PT) ansatz. We study fluctuations around the 1-parameter familyof backgrounds that lift to the baryonic branch of the Klebanov-Strassler (KS) system,and interpolates between the KS background and the Maldacena-Nunez one (CVMN). Weadopt a gauge invariant formalism in the treatment of the fluctuations that we interpret asstates of the dual theory. The tensor spectrum interpolates between the discrete spectrumof the KS background and the continuum spectrum of the CVMN background, in particularshowing the emergence of a finite energy range containing a dense set of states, as expectedfrom dimensional deconstruction. The scalar spectrum shows analogous features, and inaddition it contains one state that becomes parametrically light far from the origin alongthe baryonic branch. Journal Article Journal of High Energy Physics 2017 6 1 44 1029-8479 1 6 2017 2017-06-01 10.1007/JHEP06(2017)003 COLLEGE NANME Physics COLLEGE CODE SPH Swansea University 2020-07-14T16:10:14.0588167 2017-05-24T08:31:16.4935906 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Physics Daniel Elander 1 Maurizio Piai 0000-0002-2251-0111 2 0033918-06072017153951.pdf 10.10072FJHEP06(2017)003.pdf 2017-07-06T15:39:51.3130000 Output 1411964 application/pdf Version of Record true 2017-06-01T00:00:00.0000000 JHEP is an open-access journal funded by SCOAP3 and licensed under CC BY 4.0. true eng
title Glueballs on the baryonic branch of Klebanov-Strassler: dimensional deconstruction and a light scalar particle
spellingShingle Glueballs on the baryonic branch of Klebanov-Strassler: dimensional deconstruction and a light scalar particle
Maurizio Piai
title_short Glueballs on the baryonic branch of Klebanov-Strassler: dimensional deconstruction and a light scalar particle
title_full Glueballs on the baryonic branch of Klebanov-Strassler: dimensional deconstruction and a light scalar particle
title_fullStr Glueballs on the baryonic branch of Klebanov-Strassler: dimensional deconstruction and a light scalar particle
title_full_unstemmed Glueballs on the baryonic branch of Klebanov-Strassler: dimensional deconstruction and a light scalar particle
title_sort Glueballs on the baryonic branch of Klebanov-Strassler: dimensional deconstruction and a light scalar particle
author_id_str_mv 3ce295f2c7cc318bac7da18f9989d8c3
author_id_fullname_str_mv 3ce295f2c7cc318bac7da18f9989d8c3_***_Maurizio Piai
author Maurizio Piai
author2 Daniel Elander
Maurizio Piai
format Journal article
container_title Journal of High Energy Physics
container_volume 2017
container_issue 6
container_start_page 1
publishDate 2017
institution Swansea University
issn 1029-8479
doi_str_mv 10.1007/JHEP06(2017)003
college_str Faculty of Science and Engineering
hierarchytype
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
active_str 0
description Within gauge/gravity duality, we compute the scalar and tensor mass spectrumin the boundary theory defined by the five-dimensional sigma-model coupled to gravityobtained by constraining to eight scalars the truncation on T(1,1) that corresponds to thePapadopoulos-Tseytlin (PT) ansatz. We study fluctuations around the 1-parameter familyof backgrounds that lift to the baryonic branch of the Klebanov-Strassler (KS) system,and interpolates between the KS background and the Maldacena-Nunez one (CVMN). Weadopt a gauge invariant formalism in the treatment of the fluctuations that we interpret asstates of the dual theory. The tensor spectrum interpolates between the discrete spectrumof the KS background and the continuum spectrum of the CVMN background, in particularshowing the emergence of a finite energy range containing a dense set of states, as expectedfrom dimensional deconstruction. The scalar spectrum shows analogous features, and inaddition it contains one state that becomes parametrically light far from the origin alongthe baryonic branch.
published_date 2017-06-01T03:42:03Z
_version_ 1763751937828716544
score 11.013148

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