Self-interacting Elko dark matter with an axis of locality - INSPIRE

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Self-interacting Elko dark matter with an axis of locality

Nov, 2009

14 pages

Published in:

Phys.Rev.D 83 (2011) 065017

e-Print:

0911.2947 [hep-ph]

DOI:

10.1103/PhysRevD.83.065017

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Abstract: (arXiv)

This communication is a natural and nontrivial continuation of the 2005 work of Ahluwalia and Grumiller on Elko. Here we report that Elko breaks Lorentz symmetry in a rather subtle and unexpected way by containing a `hidden' preferred direction. Along this preferred direction, a quantum field based on Elko enjoys locality. In the form reported here, Elko offers a mass dimension one fermionic dark matter with a quartic self-interaction and a preferred axis of locality. The locality result crucially depends on a judicious choice of phases.

11.30.Er
11.30.Cp
95.35.+d
11.10.Lm
fermion: dark matter
spinor: Majorana
Klein-Gordon equation
spin
field theory: local
mass: dimension

References(29)

Figures(0)

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