Open superstring first mass level effective Lagrangian: Massive spin-2 in an electromagnetic background
Minimal coupling leads to problems such as loss of causality if one wants to describe charged particles of spin greater than one propagating in a constant electromagnetic background. Regge trajectories in string theory contain such states, so their study may allow us to investigate possible avenues...
Main Authors: | Karim Benakli, Cassiano A. Daniel, Wenqi Ke |
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Format: | Article |
Language: | English |
Published: |
Elsevier
2023-03-01
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Series: | Physics Letters B |
Online Access: | http://www.sciencedirect.com/science/article/pii/S037026932300014X |
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