nLab
gravitino

Context

Gravity

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Formalism

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Definition

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Spacetime configurations

Properties

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Quantum theory

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Physics

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Surveys, textbooks and lecture notes

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Super-Geometry

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Background

Introductions

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Supersymmetric field theory

Applications

Fields and quanta

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Contents

Idea

In quantum field theory the term gravitino refers to the superpartner of the graviton, a Rarita-Schwinger field of spin 3/23/2 that appears in supergravity.

In supergravity a field configuration is a connection locally given by a Lie algebra-valued form

(E,Ω,Spi):TX𝔰𝔦𝔰𝔬(d,1) (E, \Omega, \Spi) : T X \to \mathfrak{siso}(d,1)

on spacetime with values in the super Poincare Lie algebra. Its components Ψ\Psi in the spin group representation Γ𝔰𝔦𝔰𝔬(d)\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.

References

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.