Conditions for Vacuum Instability in Holographic Theories with Dilaton Field
We investigate the vacuum instability in the presence of dilaton field in a holographic setup. Although the dilaton is a bulk field, it leads to the vacuum instability on the boundary. We show that the whole process crucially depends on the probe brane position and as well on the radial coordinate s...
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| Format: | Article |
| Language: | English |
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Wiley
2020-01-01
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| Series: | Advances in High Energy Physics |
| Online Access: | http://dx.doi.org/10.1155/2020/5074618 |
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| _version_ | 1832567433923133440 |
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| author | Sara Tahery Sreeraj Nair Pengming Zhang |
| author_facet | Sara Tahery Sreeraj Nair Pengming Zhang |
| author_sort | Sara Tahery |
| collection | DOAJ |
| description | We investigate the vacuum instability in the presence of dilaton field in a holographic setup. Although the dilaton is a bulk field, it leads to the vacuum instability on the boundary. We show that the whole process crucially depends on the probe brane position and as well on the radial coordinate so that the effects of dilaton scale parameter in different regions of the bulk or for different probe brane positions are different. We also observe that in our study, the temperature can strengthen the effect of scale parameter in reducing the potential barrier. Finally, we show that this Schwinger-like effect, although is interesting by itself, does not produce a considerable pair production rate. |
| format | Article |
| id | doaj-art-27814424ab1c40a88e17f773ed00543a |
| institution | Kabale University |
| issn | 1687-7357 1687-7365 |
| language | English |
| publishDate | 2020-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Advances in High Energy Physics |
| spelling | doaj-art-27814424ab1c40a88e17f773ed00543a2025-02-03T01:01:31ZengWileyAdvances in High Energy Physics1687-73571687-73652020-01-01202010.1155/2020/50746185074618Conditions for Vacuum Instability in Holographic Theories with Dilaton FieldSara Tahery0Sreeraj Nair1Pengming Zhang2Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou, ChinaInstitute of Modern Physics, Chinese Academy of Sciences, Lanzhou, ChinaSchool of Physics and Astronomy, Sun Yat-sen University, Zhuhai, ChinaWe investigate the vacuum instability in the presence of dilaton field in a holographic setup. Although the dilaton is a bulk field, it leads to the vacuum instability on the boundary. We show that the whole process crucially depends on the probe brane position and as well on the radial coordinate so that the effects of dilaton scale parameter in different regions of the bulk or for different probe brane positions are different. We also observe that in our study, the temperature can strengthen the effect of scale parameter in reducing the potential barrier. Finally, we show that this Schwinger-like effect, although is interesting by itself, does not produce a considerable pair production rate.http://dx.doi.org/10.1155/2020/5074618 |
| spellingShingle | Sara Tahery Sreeraj Nair Pengming Zhang Conditions for Vacuum Instability in Holographic Theories with Dilaton Field Advances in High Energy Physics |
| title | Conditions for Vacuum Instability in Holographic Theories with Dilaton Field |
| title_full | Conditions for Vacuum Instability in Holographic Theories with Dilaton Field |
| title_fullStr | Conditions for Vacuum Instability in Holographic Theories with Dilaton Field |
| title_full_unstemmed | Conditions for Vacuum Instability in Holographic Theories with Dilaton Field |
| title_short | Conditions for Vacuum Instability in Holographic Theories with Dilaton Field |
| title_sort | conditions for vacuum instability in holographic theories with dilaton field |
| url | http://dx.doi.org/10.1155/2020/5074618 |
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