Thermal Production of Axino Dark Matter

TL;DR

This paper explores how the interactions of axion supermultiplets influence the thermal production of axino dark matter in the early Universe, providing insights into its cosmological implications.

Contribution

It analyzes the low energy effective interactions of axion supermultiplets and their impact on axino production, a novel aspect in axino cosmology research.

Findings

Identifies key interactions affecting axino thermal production.

Provides estimates for axino relic abundance based on these interactions.

Highlights implications for dark matter models involving axinos.

Abstract

We discuss certain features of the low energy effective interactions of axion supermultiplet, which are relevant for axino cosmology, and examine the implication to thermal production of axino in the early Universe.