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Article overview
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Fermions via spinor-valued one-forms | Alexander Torres-Gomez
; Kirill Krasnov
; | Date: |
14 Dec 2012 | Abstract: | Spinor-valued one-forms (Rarita-Schwinger fields) are normally used in the
context of supergravity, where they describe spin 3/2 particles (gravitinos).
Indeed, when decomposed into irreducible representations of the Lorentz group
such a field contains both a spin 1/2 and a spin 3/2 component, and the
Rarita-Schwinger Lagrangian is designed to make only the spin 3/2 propagate. We
point out that the opposite construction is also possible, and give a
spinor-valued one-form field Lagrangian that describes a propagating spin 1/2
particle. | Source: | arXiv, 1212.3452 | Services: | Forum | Review | PDF | Favorites |
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