3 years ago

Chiral Gravitational Waves and Baryon Superfluid Dark Matter.

Evan McDonough, Stephon Alexander, David N. Spergel

We develop a unified model of darkgenesis and baryogenesis involving strongly interacting dark quarks, utilizing the gravitational anomaly of chiral gauge theories. In these models, both the visible and dark baryon asymmetries are generated by the gravitational anomaly induced by the presence of chiral primordial gravitational waves. We provide a concrete model of an SU(2) gauge theory with two massless quarks. In this model, the dark quarks condense and form a dark baryon charge superfluid (DBS), in which the Higgs-mode acts as cold dark matter. We elucidate the essential features of this dark matter scenario and discuss its phenomenological prospects.

Publisher URL: http://arxiv.org/abs/1801.07255

DOI: arXiv:1801.07255v1

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