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Recent detections by the gravitational wave facilities LIGO/Virgo have openeda window to study the internal structure of neutron stars through thegravitational waves emitted during their coalescence. In this work we explore,through numerical simulations, the gravitational radiation produced by themerger of binary neutron stars with dark matter particles trapped on theirinterior, focusing on distinguishable imprints produced by these dark mattercores. Our results reveal the presence of a strong m = 1 mode in the waveformsduring the post-merger stage, together with other relevant features. Comparisonof our results with observations might allow us to constraint the amount ofdark matter in the interior of neutron star.

Gravitational wave signatures of dark matter cores in binary neutron star mergers by using numerical simulations