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Worldline theories with towers of internal states

Abel, Steven; Lewis, Daniel

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Authors

Daniel Lewis



Abstract

We study particle theories that have a tower of worldline internal degrees of freedom. Such a theory can arise when the worldsheet of closed strings is dimensionally reduced to a worldline, in which case the tower is infinite with regularly spaced masses. But our discussion is significantly more general than this, and there is scope to consider all kinds of internal degrees of freedom carried by the propagating particle. For example it is possible to consider towers corresponding to other geometries, or towers with no obvious geometric interpretation that still yield a modular invariant theory. Truncated towers generate non-local particle theories that share with string theory the property of having a Gross-Mende-like saddle point in their amplitudes. This provides a novel framework for constructing exotic theories which may have desirable properties such as finiteness and modular invariance.

Citation

Abel, S., & Lewis, D. (2020). Worldline theories with towers of internal states. Journal of High Energy Physics, 2020(12), Article 69. https://doi.org/10.1007/jhep12%282020%29069

Journal Article Type Article
Acceptance Date Oct 29, 2020
Online Publication Date Dec 10, 2020
Publication Date 2020-12
Deposit Date Apr 13, 2021
Publicly Available Date Apr 13, 2021
Journal Journal of High Energy Physics
Print ISSN 1126-6708
Publisher Scuola Internazionale Superiore di Studi Avanzati (SISSA)
Peer Reviewed Peer Reviewed
Volume 2020
Issue 12
Article Number 69
DOI https://doi.org/10.1007/jhep12%282020%29069
Related Public URLs https://arxiv.org/abs/2007.07242

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Publisher Licence URL
http://creativecommons.org/licenses/by/4.0/

Copyright Statement
This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0), which permits any use, distribution and reproduction in any medium, provided the original author(s) and source are credited.





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