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6 - Four-dimensional on-shell supergravity and how to count degrees of freedom

from Part I - Formalism

Published online by Cambridge University Press:  14 November 2024

Horatiu Nastase
Affiliation:
Universidade Estadual Paulista, São Paulo
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Summary

Counting of degrees of freedom of fields up to spin 2 is described, both on-shell and off-shell. Then, the supergravity models, based on matching Bose and Fermi degrees of freedom, are inferred. The N = 1 on-shell supergravity model is defined, and the first-order and second-order formalisms, as well as the better 1.5-order formalism, in which the susy invariance of the action is shown.

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Publisher: Cambridge University Press
Print publication year: 2024

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