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Higher Spins from One-Loop Effective Actions (CROSBI ID 63712)

Prilog u knjizi | izvorni znanstveni rad | međunarodna recenzija

Bonora, Loriano ; Cvitan, Maro ; Dominis Prester, Predrag ; Giaccari, Stefano ; Štemberga, Tamara Higher Spins from One-Loop Effective Actions // Quantum Theory and Symmetries with Lie Theory and Its Applications in Physics Volume 2. LT-XII/QTS-X 2017. Springer Proceedings in Mathematics & Statistics / Dobrev, Vladimir (ur.). Singapur: Springer, 2018. str. 17-30 doi: 10.1007/978-981-13-2179-5_2

Podaci o odgovornosti

Bonora, Loriano ; Cvitan, Maro ; Dominis Prester, Predrag ; Giaccari, Stefano ; Štemberga, Tamara

engleski

Higher Spins from One-Loop Effective Actions

In this contribution we review the method to obtain information about the classical dynamics of a higher spin field by minimally coupling the field via a conserved current to a simple free fermion, and by integrating out the latter. We consider here the two point correlators of two conserved currents, which allow us to determine the effective action to quadratic order. We show that this gives rise to the classical equation of motion of the Fronsdal type. We point out the importance of the contributions of the tadpole and seagull terms and the ambiguity related to the choice of the conserved currents.

higher spin field theories, quantum field theory, effective action

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Podaci o prilogu

17-30.

objavljeno

10.1007/978-981-13-2179-5_2

Podaci o knjizi

Quantum Theory and Symmetries with Lie Theory and Its Applications in Physics Volume 2. LT-XII/QTS-X 2017. Springer Proceedings in Mathematics & Statistics

Dobrev, Vladimir

Singapur: Springer

2018.

978-981-13-2178-8

2194-1009

Povezanost rada

Fizika

Poveznice