Abstract
We consider the ELKO field in interaction through contorsion with its own spin density, and we investigate the form of the consequent autointeractions; to do so we take into account the high-density limit and find plane wave solutions: such plane waves give rise to contorsional autointeractions for which the Ricci metric curvature vanishes and therefore the energy density is equal to zero identically. Consequences are discussed.
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Fabbri, L. Zero energy of plane-waves for ELKOs. Gen Relativ Gravit 43, 1607–1613 (2011). https://doi.org/10.1007/s10714-011-1143-4
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DOI: https://doi.org/10.1007/s10714-011-1143-4