Duality-covariant particles and exotic branes
- 1Rudjer Bošković Institute
- 2University of Wrocław
Abstract
A bstract : In this paper we construct duality-covariant worldvolume dynamics of particles and branes. We extend known actions and phase space formulations to include the hidden E ₈ symmetry of 11D supergravity, analogous to the Ehlers symmetry of 4D gravity. Making the worldvolume theory manifestly duality-covariant requires the ancillary structure of E ₈ exceptional field theory to be taken into account. For zero-branes, we propose an enlarged worldline model with a coadjoint orbit term to encode this. More generally, we propose worldvolume theories for arbitrary exotic branes in a way that generalises the known gauged sigma model of the Kaluza-Klein monopole. These are natural in the duality-covariant Hamiltonian formulation employed here. We discuss the case of zero-branes in eleven dimensions as an illustrative example.
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BibTeX
@article{oconnor2026dualitycovariant,
title = {{Duality-covariant particles and exotic branes}},
author = {Josh O’Connor and David Osten},
journal = {Journal of High Energy Physics},
year = {2026},
month = oct,
doi = {10.1007/jhep10(2026)181},
url = {https://link.springer.com/article/10.1007/JHEP10(2026)181},
note = {CC BY 4.0},
}
RIS
TY - JOUR
TI - Duality-covariant particles and exotic branes
AU - Josh O’Connor
AU - David Osten
PY - 2026
DA - 2026/10/16
JO - Journal of High Energy Physics
DO - 10.1007/jhep10(2026)181
UR - https://link.springer.com/article/10.1007/JHEP10(2026)181
AB - A bstract : In this paper we construct duality-covariant worldvolume dynamics of particles and branes. We extend known actions and phase space formulations to include the hidden E ₈ symmetry of 11D supergravity, analogous to the Ehlers symmetry of 4D gravity. Making the worldvolume theory manifestly duality-covariant requires the ancillary structure of E ₈ exceptional field theory to be taken into account. For zero-branes, we propose an enlarged worldline model with a coadjoint orbit term to encode this. More generally, we propose worldvolume theories for arbitrary exotic branes in a way that generalises the known gauged sigma model of the Kaluza-Klein monopole. These are natural in the duality-covariant Hamiltonian formulation employed here. We discuss the case of zero-branes in eleven dimensions as an illustrative example.
SN - 1029-8479
ER -