Bulletin of the American Physical Society
APS April Meeting 2019
Volume 64, Number 3
Saturday–Tuesday, April 13–16, 2019; Denver, Colorado
Session Z10: Dark Matter Theory
3:30 PM–5:18 PM,
Tuesday, April 16, 2019
Sheraton
Room: Governor's Square 12
Sponsoring
Unit:
DAP
Chair: Rakshya Khatiwada, Fermilab
Abstract: Z10.00007 : Analyzing Boson Stars Using the Variational Method*
4:42 PM–4:54 PM
View Presentation
Abstract
Presenter:
Lauren Street
(University of Cincinnati)
Author:
Lauren Street
(University of Cincinnati)
Collaboration:
Joshua Eby, Madelyn Leembruggen, Peter Suranyi, and L.C.R. Wijewardhana
We use the variational method to analyze properties of gravitationally bound Bose Einstein condensates called boson stars which are potential candidates for dark matter. Using a set of qualitative and quantitative measures, we compare various ansatze found in the literature in order to determine the best fit solutions for a given regime or analysis. We then use the best fit ansatze found to further study these systems. Such studies include boson star decay rates and lifetimes, dense configurations, and both special and general relativistic corrections to the relevant equations of motion. We also analyze how multiple flavor dark matter theories can account for the galactic core density-radius scaling relation which can be found in the literature from observations of galactic profiles. Through these analyses we hope to gain insights into the viability of boson stars as possible candidates for dark matter and the possible parameter spaces in which these systems can be detected.
*The Department of Physics at the University of Cincinnati for financial support in the form of the Violet M. Diller Fellowship
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