Searching for topological dark matter in LIGO data
Lavinia Heisenberg, David Maibach, Do\u{g}a Veske

TL;DR
This paper investigates the potential of LIGO gravitational-wave detectors to identify topological dark matter, specifically domain walls, by analyzing strain data and considering their interactions with the detector hardware.
Contribution
It is the first analysis of topological dark matter using LIGO data, exploring domain wall interactions and their distinguishability from astrophysical signals.
Findings
Binary black hole mergers favor astrophysical explanations over dark matter hypotheses.
Some dark matter signals could be detected by existing black hole search algorithms.
Data glitches can limit the sensitivity of dark matter searches for certain parameters.
Abstract
Gravitational-wave interferometers have been recently proposed as a promising probe in searches for dark matter. These highly sensitive instruments are potentially able to detect the interactions of dark matter with the detector's hardware. In this work, we explore the possibilities of discovering topological dark matter with the LIGO detectors. We analyze domain walls consisting of dark matter passing through the Earth, leaving traces in multiple detectors simultaneously. Considering dark matter interactions with light in the interferometer, and with the beam splitter, we perform the first analysis of topological dark matter with gravitational-wave strain data. We examine whether astrophysically unexpected triggers could be explained by domain-wall passages. We find that all of the binary black hole mergers we analyze favor the binary black hole merger hypothesis rather than the…
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Taxonomy
TopicsAdvanced Thermodynamics and Statistical Mechanics · Pulsars and Gravitational Waves Research · Scientific Research and Discoveries
