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Author  |
Herrera-Aguilar, A.; Rojas, A.D.; Santos, E. |
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Title |
Localization of gauge fields in a tachyonic de Sitter thick braneworld |
Type |
Journal Article |
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Year |
2014 |
Publication |
European Physical Journal C |
Abbreviated Journal |
Eur. Phys. J. C |
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Volume |
74 |
Issue |
4 |
Pages |
2770 - 6pp |
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Abstract |
In this work we show that universal gauge vector fields can be localized on the recently proposed 5D thick tachyonic braneworld which involves a de Sitter cosmological background induced on the 3-brane. Namely, by performing a suitable decomposition of the vector field, the resulting 4D effective action corresponds to a massive gauge field, while the profile along the extra dimension obeys a Schrodinger-like equation with a Poschl-Teller potential. It turns out that the massless zero mode of the gauge field is bound to the expanding 3-brane and allows us to recover the standard 4D electromagnetic phenomena of our world. Moreover, this zero mode is separated from the continuum of Kaluza-Klein (KK) modes by a mass gap determined by the scale of the expansion parameter. We also were able to analytically solve the corresponding Schrodinger-like equation for arbitrary mass, showing that KK massive modes asymptotically behave like plane waves, as expected. |
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Address |
[Herrera-Aguilar, Alfredo; Rojas, Alma D.; Santos, Eli] Univ Autonoma Chiapas, Mesoamer Ctr Theoret Phys, Tuxtla Gutierrez 29050, Chiapas, Mexico, Email: aherreraaguilar@mctp.mx; |
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Publisher |
Springer |
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Language |
English |
Summary Language |
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Original Title |
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Series Title |
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Series Volume |
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Edition |
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ISSN |
1434-6044 |
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Notes |
WOS:000334449800001 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
1751 |
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