У оквиру семинара Групе за гравитацију, честице и поља у петак, 6. марта 2026. године у 11 часова у сали 360 Института за физику у Београду, др Андреј Јегоров (Институт за физику у Београду) одржаће предавање:
Black holes: implications for dark matter searches and theories of gravity
САЖЕТАК:
My talk will contain two major parts. The first part will be dedicated to my new work about detection prospects for heavy DM particles (WIMPs) near supermassive black holes (SMBHs). SMBHs are
expected to form density spikes of annihilating DM. Such spikes may be detectable in the gamma-ray band even in the case of the heaviest WIMPs, which are not observable otherwise. Only two closest SMBHs are shown to be relevant for WIMP searches: MW* and M31*. I estimated the sensitivity
of upcoming Cherenkov Telescope Array to the potential WIMP signal from those targets. The second part of my talk will review semi-qualitatively the implications and possibilities of BH observations for testing theories of gravity (including quantum ones). Thus, I cover current and future observations of gravitational waves, SMBH shadows, isolated stellar BHs, MW nuclear star cluster and others. Finally, a summary of the current synergy between theory and observations will be given.