Speaker
Evan McDonough
Description
The range of possible masses of particle dark matter spans over many orders of
magnitude. The extremes of the mass range -- so-called ''superheavy'' and ''ultralight'' dark
matter candidates -- are increasingly attracting attention due to their novel phenomenology and
new developments in production mechanisms. In this talk I will discuss the complementary nature
of superheavy and ultralight dark matter, illustrated with examples from a QCD-like dark sector
and from the string theory axiverse.