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Spin-3/2 and spin-2 charged massive states in a constant electromagnetic background. (English) Zbl 07690776

Summary: We develop in components the superspace action obtained in [K. Benakli et al., J. High Energy Phys. 2021, No. 12, Paper No. 112, 34 p. (2021; Zbl 1521.81140)] describing the first massive level of the open charged superstring in a flat four-dimensional spacetime. In the absence of an electromagnetic background, we show how the Rarita-Schwinger and Fierz-Pauli Lagrangians are retrieved for spin-3/2 and 2, respectively. We then write different forms of the action in the presence of the electromagnetic background. The resulting equations of motion describe the propagation of fields of charged spin-3/2 and spin-1/2 on the one hand, and spin-2, 1 and 0 on the other.

MSC:

81-XX Quantum theory

Citations:

Zbl 1521.81140

Software:

xAct
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References:

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