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Open superstring first mass level effective Lagrangian: Massive spin-3/2 fields in an electromagnetic background

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Autor(es):
Benakli, Karim ; Daniel, Cassiano A. ; Ke, Wenqi
Número total de Autores: 3
Tipo de documento: Artigo Científico
Fonte: Physics Letters B; v. 839, p. 3-pg., 2023-02-27.
Resumo

We derive fully explicit equations of motion, and the associated set of constraints, describing the propagation in a fiat space-time of a charged spin-3/2 massive state in a constant electromagnetic background. For this purpose, we provide the Lagrangian for the physical fermionic fields in the first massive level of the open superstring. We first write a compact Lagrangian, allowing a simple derivation of the equations of motion and constraints. Then another one is given that yields directly a decoupled system of equations, though the fields of different spins look coupled at the level of the Lagrangian.(c) 2023 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons .org /licenses /by /4 .0/). Funded by SCOAP3. (AU)

Processo FAPESP: 22/14599-0 - Amplitudes de espalhamento em AdS5 × S5
Beneficiário:Cassiano Antonio Daniel
Modalidade de apoio: Bolsas no Brasil - Doutorado Direto
Processo FAPESP: 20/10183-9 - Amplitudes de espalhamento em AdS5 × S5
Beneficiário:Cassiano Antonio Daniel
Modalidade de apoio: Bolsas no Brasil - Doutorado Direto