Higher dimensional Elko theory

J. A. Nieto

Facultad de Ciencias Físico-Matemáticas de la Universidad Autónoma de Sinaloa, 80010, Culiacán Sinaloa, México. e-mail: nieto@uas.edu.mx, janieto1@asu.edu

Received 21 March 2014; ]]> Accepted 18 August 2014

Abstract

We show that the so-called Elko equation can be derived from a 5-dimensional Dirac equation. We argue that this result can be relevant for dark matter and cosmological scenarios. We generalize our procedure to higher dimensions.

Keywords: Elko equation; Dirac equation; dark matter.

PACS: 04.20.Gz, 04.60.-Ds, 11.30.Ly

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I would like to thank professor D. V Ahluwalia, as well as the two referees, for helpful comments. This work was partially supported by PR0FAPI-UAS/2013.

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