Tunneling in axion monodromy
Abstract
The Coleman formula for vacuum decay and bubble nucleation has been used to estimate the tunneling rate in models of axion monodromy in recent literature. However, several of Coleman’s original assumptions do not hold for such models. Here we derive a new estimate with this in mind using a similar Euclidean procedure. We find that there are significant regions of parameter space for which the tunneling rate in axion monodromy is not well approximated by the Coleman formula. However, there is also a regime relevant to large field inflation in which both estimates parametrically agree. As a result, we also briefly comment on the applications of our results to the relaxion scenario.
- Authors:
-
- Univ. of Wisconsin, Madison, WI (United States)
- Publication Date:
- Research Org.:
- Univ. of Wisconsin, Madison, WI (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1368092
- Grant/Contract Number:
- FG02-95ER40896
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Journal of High Energy Physics (Online)
- Additional Journal Information:
- Journal Name: Journal of High Energy Physics (Online); Journal Volume: 2016; Journal Issue: 10; Journal ID: ISSN 1029-8479
- Publisher:
- Springer Berlin
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; cosmology of theories beyond the SM; nonperturbative effects
Citation Formats
Brown, Jon, Cottrell, William, Shiu, Gary, and Soler, Pablo. Tunneling in axion monodromy. United States: N. p., 2016.
Web. doi:10.1007/JHEP10(2016)025.
Brown, Jon, Cottrell, William, Shiu, Gary, & Soler, Pablo. Tunneling in axion monodromy. United States. https://doi.org/10.1007/JHEP10(2016)025
Brown, Jon, Cottrell, William, Shiu, Gary, and Soler, Pablo. Thu .
"Tunneling in axion monodromy". United States. https://doi.org/10.1007/JHEP10(2016)025. https://www.osti.gov/servlets/purl/1368092.
@article{osti_1368092,
title = {Tunneling in axion monodromy},
author = {Brown, Jon and Cottrell, William and Shiu, Gary and Soler, Pablo},
abstractNote = {The Coleman formula for vacuum decay and bubble nucleation has been used to estimate the tunneling rate in models of axion monodromy in recent literature. However, several of Coleman’s original assumptions do not hold for such models. Here we derive a new estimate with this in mind using a similar Euclidean procedure. We find that there are significant regions of parameter space for which the tunneling rate in axion monodromy is not well approximated by the Coleman formula. However, there is also a regime relevant to large field inflation in which both estimates parametrically agree. As a result, we also briefly comment on the applications of our results to the relaxion scenario.},
doi = {10.1007/JHEP10(2016)025},
journal = {Journal of High Energy Physics (Online)},
number = 10,
volume = 2016,
place = {United States},
year = {Thu Oct 06 00:00:00 EDT 2016},
month = {Thu Oct 06 00:00:00 EDT 2016}
}
Web of Science
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