If gravitational waves traveled through a medium filled with sticky dark matter, then the wave amplitude would be (weakly) damped. The analysis of this effect could shed new light on the nature of dark matter - argues Prof. Marek Biesiada (from the NCBJ Astrophysics Department) together with Chinese colleagues in a study published in the Monthly Notices of the Royal Astronomical Society: Letters.

Link to the original work: https://academic.oup.com/mnrasl/article-abstract/502/1/L16/6050761?redirectedFrom=PDF