Q-balls in an Expanding Universe

Q-balls are a type of solitons that arise from certain scalar field theories. These Q-balls have been proposed as a possible dark matter candidate. However traditional approaches to Q-ball solutions assume a static universe, unlike the expanding universe that we observe. Thus, their properties in expanding spacetimes are currently unknown. In this talk we explain our efforts to characterize Q-balls in an expanding and accelerating universe by generalizing past analyses.