Interesting seminar at ULB Friday morning. Best, 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: Facchinetti Gaëtan gaetan.facchinetti@ulb.be Subject: ULB PhysTH Seminar by Camilo Garcia Cely - 15/12/2023 at 11 am Date: 13 December 2023 at 09:26:31 CET To: GRP_ULB_PhysTh GRP_phys_th@ulb.be, GRP_ULB_Sem_Add GRP_physth_sem@ulb.be Resent-From: alberto.mariotti@vub.be

Dear All,

Next Friday, the 15th of December, we will have the pleasure to welcome Camilo García Cely (IFIC, Valencia) who will give us a seminar at 11am in room 2.N7.110 (building NO, campus Plaine). He will tell us about

Adapting Axion Dark Matter Concepts for High-Frequency Gravitational Wave Detection I will explore the application of ideas originally developed for axion dark matter to the search for MHz-GHz gravitational waves. I will start discussing the Gertsenshtein effect, which involves the inter-conversion of gravitational waves into electromagnetic waves in the presence of external magnetic (or electric) fields. Drawing attention to its close analogy with axions, I will argue that the Gertsenshtein effect represents a specific manifestation of gravitational-wave electrodynamics, with further effects awaiting exploration. In particular, I will discuss the potential of axion haloscopes to probe gravitational waves in the 100 kHz-100 MHz range.

Best regards,

Gaétan

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