Supersymmetric models based on anomaly-mediated SUSY
breaking (AMSB) generally give rise to a neutral wino as a WIMP cold
dark matter (CDM) candidate, whose thermal abundance is well below
measured values. Here, we investigate four scenarios to reconcile
AMSB dark matter with the measured abundance: 1. non-thermal wino
production due to decays of scalar fields (e.g. moduli),
2. non-thermal wino production due to decays of gravitinos,
3. non-thermal wino production due to heavy axino decays, and 4. the
case of an axino LSP, where the bulk of CDM is made up of axions and
thermally produced axinos. In cases 1 and 2, we expect wino CDM to
constitute the entire measured DM abundance, and we investigate
wino-like WIMP direct and indirect detection rates. Wino direct
detection rates can be large, and more importantly, are bounded from
below, so that ton-scale noble liquid detectors should access all of
parameter space for m1≲500 GeV. Indirect wino
detection rates via neutrino telescopes and space-based cosmic ray
detectors can also be large. In case 3, the DM would consist of an
axion plus wino admixture, whose exact proportions are very model
dependent. In this case, it is possible that both an axion and a
wino-like WIMP could be detected experimentally. In case 4., we
calculate the re-heat temperature of the universe after inflation.
In this case, no direct or indirect WIMP signals should be seen,
although direct detection of relic axions may be possible. For each
DM scenario, we show results for the minimal AMSB model, as well as
for the hypercharged and gaugino AMSB models.