Although the origin of matter-antimatter asymmetry remains unknown, continuing advances
in theory and improved experimental limits have ruled out some scenarios for baryogenesis …

We review the cosmological implications of the flat directions of the minimally
supersymmetric standard model (MSSM). We describe how field condensates are created …

Weak scale supersymmetry is often said to be fine-tuned, especially if the matter content is
minimal. This is not true if there is a large A term for the top squarks. We present a systematic …

We study the astrophysical implications of neutralino dark matter annihilations in galaxy
clusters, with a specific application to the Coma cluster. We first address the determination of …

In supersymmetric models with gravity-mediated SUSY breaking, universality of soft SUSY
breaking sfermion masses m 0 is motivated by the need to suppress unwanted flavor …

Light scalar fields with only gravitational strength couplings are typically present in UV
complete theories of physics beyond the standard model. In the early universe it is natural …

We investigate the cosmological moduli problem by studying a modulus decay in detail and
find that the branching ratio of the gravitino production is generically of O (0.01–1), which …

We estimate dark matter (DM) density for the Universe with a reheating temperature smaller
than the mass of DM, assuming DM to be a weakly interacting massive particle. During the …

We explore the possible signatures of dark matter pair annihilations in the nearby dwarf
spheroidal galaxy Draco. After investigating the mass models for Draco in the light of …

There often appear coherently oscillating scalar fields in particle physics motivated
cosmological scenarios, which may have rich phenomenological consequences. Scalar …