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The confining trailing string
We extend the holographic trailing string picture of a heavy quark to the case of a bulk geometry dual to a confining gauge theory. We compute the classical trailing confining string solution for a static as well as a uniformly moving quark. The trailing string is infinitely extended and approaches...
Autores principales: | , , |
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Lenguaje: | eng |
Publicado: |
2013
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Materias: | |
Acceso en línea: | https://dx.doi.org/10.1007/JHEP02(2014)081 http://cds.cern.ch/record/1627748 |
_version_ | 1780933909621506048 |
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author | Kiritsis, E. Mazzanti, Liuba Nitti, F. |
author_facet | Kiritsis, E. Mazzanti, Liuba Nitti, F. |
author_sort | Kiritsis, E. |
collection | CERN |
description | We extend the holographic trailing string picture of a heavy quark to the case of a bulk geometry dual to a confining gauge theory. We compute the classical trailing confining string solution for a static as well as a uniformly moving quark. The trailing string is infinitely extended and approaches a confining horizon, situated at a critical value of the radial coordinate, along one of the space-time directions, breaking boundary rotational invariance. We compute the equations for the fluctuations around the classical solutions, which are used to obtain boundary force correlators controlling the Langevin dynamics of the quark. The imaginary part of the correlators has a non-trivial low-frequency limit, which gives rise to a viscous friction coefficient induced by the confining vacuum. The vacuum correlators are used to define finite-temperature dressed Langevin correlators with an appropriate high-frequency behavior. |
id | cern-1627748 |
institution | Organización Europea para la Investigación Nuclear |
language | eng |
publishDate | 2013 |
record_format | invenio |
spelling | cern-16277482023-03-12T04:16:25Zdoi:10.1007/JHEP02(2014)081http://cds.cern.ch/record/1627748engKiritsis, E.Mazzanti, LiubaNitti, F.The confining trailing stringParticle Physics - TheoryWe extend the holographic trailing string picture of a heavy quark to the case of a bulk geometry dual to a confining gauge theory. We compute the classical trailing confining string solution for a static as well as a uniformly moving quark. The trailing string is infinitely extended and approaches a confining horizon, situated at a critical value of the radial coordinate, along one of the space-time directions, breaking boundary rotational invariance. We compute the equations for the fluctuations around the classical solutions, which are used to obtain boundary force correlators controlling the Langevin dynamics of the quark. The imaginary part of the correlators has a non-trivial low-frequency limit, which gives rise to a viscous friction coefficient induced by the confining vacuum. The vacuum correlators are used to define finite-temperature dressed Langevin correlators with an appropriate high-frequency behavior.We extend the holographic trailing string picture of a heavy quark to the case of a bulk geometry dual to a confining gauge theory. We compute the classical trailing confining string solution for a static as well as a uniformly moving quark. The trailing string is infinitely extended and approaches a confining horizon, situated at a critical value of the radial coordinate, along one of the space-time directions, breaking boundary rotational invariance. We compute the equations for the fluctuations around the classical solutions, which are used to obtain boundary force correlators controlling the Langevin dynamics of the quark. The imaginary part of the correlators has a non-trivial low-frequency limit, which gives rise to a viscous friction coefficient induced by the confining vacuum. The vacuum correlators are used to define finite-temperature dressed Langevin correlators with an appropriate high-frequency behavior.arXiv:1311.2611CERN-PH-TH-2013-264CERN-PH-TH-2013-264oai:cds.cern.ch:16277482013-11-11 |
spellingShingle | Particle Physics - Theory Kiritsis, E. Mazzanti, Liuba Nitti, F. The confining trailing string |
title | The confining trailing string |
title_full | The confining trailing string |
title_fullStr | The confining trailing string |
title_full_unstemmed | The confining trailing string |
title_short | The confining trailing string |
title_sort | confining trailing string |
topic | Particle Physics - Theory |
url | https://dx.doi.org/10.1007/JHEP02(2014)081 http://cds.cern.ch/record/1627748 |
work_keys_str_mv | AT kiritsise theconfiningtrailingstring AT mazzantiliuba theconfiningtrailingstring AT nittif theconfiningtrailingstring AT kiritsise confiningtrailingstring AT mazzantiliuba confiningtrailingstring AT nittif confiningtrailingstring |