nLab
gravitino

Context

Gravity

Physics

physics, mathematical physics, philosophy of physics

Surveys, textbooks and lecture notes


theory (physics), model (physics)

experiment, measurement, computable physics

Super-Geometry

Fields and quanta

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.

field (physics)

standard model of particle physics

force field (physics) gauge bosons

scalar bosons

matter field fermions (spinors)

hadron (bound states of the above quarks)

minimally extended supersymmetric standard model

superpartner gauge field fermions

fermions:

bosons:

Exotica

Revised on September 10, 2013 21:10:54 by Urs Schreiber (82.169.114.243)