Hi guys, interesting seminar on Friday at 11 at ULB. Cheers, Alberto

#---------------------------------------------------------------------# Alberto Mariotti Vrije Universiteit Brussel (VUB) https://we.vub.ac.be/HEPVUB Phone: +32 (0) 2 629 32 15 E-mail: alberto.mariotti@vub.be Address: Vrije Universiteit Brussel Physics Department Elementary Particles Research Group Pleinlaan 2, 1050 Brussels, Belgium #---------------------------------------------------------------------#

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From: VERMA Sonali sonali.verma@ulb.be Subject: ULB PhysTH Seminar by Hyungjin Kim - 01/12/2023 at 11 am Date: 28 November 2023 at 13:47:51 CET To: GRP_ULB_Sem_Add GRP_physth_sem@ulb.be, GRP_ULB_PhysTh GRP_phys_th@ulb.be Resent-From: alberto.mariotti@vub.be

Dear All,

This Friday, at 11 am the 01st of December, we will have the pleasure of welcoming Hyungjin Kim (DESY Hamburg) who will give us a seminar in room 2.N7.110 (building NO, campus Plaine). Hyungjin will tell us about

"Probing fluctuations of ultralight dark matter with gravitational wave detectors"

Ultralight dark matter is a compelling dark matter candidate. Recent numerical simulations have shown that it exhibits large-scale order-one density fluctuations due to wave interference. These density fluctuations could be understood as a quasiparticle whose size and mass could be of astronomical values. In this talk, I will discuss how these density fluctuations interact with gravitational wave (GW) detectors and the prospects of current and future GW detectors in probing dark matter density within or near the solar system. I will show that with future GW detectors, we could probe a few hundred times the local dark matter density within the solar system.

Best regards, Sonali Gaétan

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