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In quantum field theory the term gravitino refers to the superpartner of the graviton, a RaritaSchwinger field of spin $3/2$ that appears in supergravity.
In supergravity a field configuration is a connection locally given by a Lie algebravalued form
on spacetime with values in the super Poincare Lie algebra. Its components $\Psi$ in the spin group representation $\Gamma \subset \mathfrak{siso}(d)$ is the gravitino field.
The name derives from the fact that the other two comonents are identified in gravity with the graviton field.
Discussion of the gravitiono as a dark matter candidate is in
Last revised on January 11, 2017 at 11:46:19. See the history of this page for a list of all contributions to it.