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Very special relativity as relativity of dark matter: the Elko connection

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Abstract

In the very special relativity (VSR) proposal by Cohen and Glashow, it was pointed out that invariance under HOM (2) is both necessary and sufficient to explain the null result of the Michelson-Morely experiment. It is the quantum field theoretic demand of locality, or the requirement of P, T, CP, or CT invariance, that makes invariance under the Lorentz group a necessity. Originally it was conjectured that VSR operates at the Planck scale; we propose that the natural arena for VSR is at energies similar to the standard model, but in the dark sector. To this end we provide an ab initio spinor representation invariant under the SIM (2) avatar of VSR and construct a mass dimension one fermionic quantum field of spin one half. This field turns out to be a very close sibling of Elko and it exhibits the same striking property of intrinsic darkness with respect to the standard model fields. In the new construct, the tension between Elko and Lorentz symmetries is fully resolved. We thus entertain the possibility that the symmetries underlying the standard model matter and gauge fields are those of Lorentz, while the event space underlying the dark matter and the dark gauge fields supports the algebraic structure underlying VSR.

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  1. Department of Physics and Astronomy, Rutherford Building, University of Canterbury, Private Bag 4800, Christchurch, 8020, New Zealand

    D.V. Ahluwalia & S.P. Horvath

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  1. D.V. Ahluwalia
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  2. S.P. Horvath
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Correspondence to D.V. Ahluwalia.

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ArXiv ePrint:1008.0436

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Ahluwalia, D., Horvath, S. Very special relativity as relativity of dark matter: the Elko connection. J. High Energ. Phys. 2010, 78 (2010). https://doi.org/10.1007/JHEP11(2010)078

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