U(1)B-L extra-natural inflation with Standard Model on a brane

Kazuyuki Furuuchi, Jackson M.S. Wu

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

The interrelation between inflationary cosmology and new physics beyond the Standard Model (SM) is studied in a U(1)B-L extension of the SM embedded in a (4+1)-dimensional spacetime. In the scenario we study, the inflaton arises from the Wilson loop of the U(1)B-L gauge group winding an extra-dimensional cycle. Particular attention is paid to the coupling between the inflaton and SM particles that are confined on a brane localized in the extra dimension. We find that the inflaton decay channels are rather restricted in this scenario and the resulting reheating temperature is relatively low.

Original languageEnglish
Pages (from-to)56-61
Number of pages6
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume729
DOIs
Publication statusPublished - 05-02-2014

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cosmology
cycles
physics
heating
decay
temperature

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

Cite this

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U(1)B-L extra-natural inflation with Standard Model on a brane. / Furuuchi, Kazuyuki; Wu, Jackson M.S.

In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 729, 05.02.2014, p. 56-61.

Research output: Contribution to journalArticle

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AB - The interrelation between inflationary cosmology and new physics beyond the Standard Model (SM) is studied in a U(1)B-L extension of the SM embedded in a (4+1)-dimensional spacetime. In the scenario we study, the inflaton arises from the Wilson loop of the U(1)B-L gauge group winding an extra-dimensional cycle. Particular attention is paid to the coupling between the inflaton and SM particles that are confined on a brane localized in the extra dimension. We find that the inflaton decay channels are rather restricted in this scenario and the resulting reheating temperature is relatively low.

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