Thomas Spieksma is a Guest Researcher at the Niels Bohr Institute, University of Copenhagen, specializing in theoretical high energy, astroparticle, and gravitational physics. His work focuses on black hole phenomena and gravitational wave physics, with contact details including email thomas.spieksma@nbi.ku.dk and phone +4535327595 at Blegdamsvej 17, 2100 København Ø. His research interests include: Gravitational Physics (black hole perturbations, superradiance) High Energy Physics (axion and ultralight boson interactions) Astroparticle Physics (dark matter signatures in compact objects) Black Hole Astrophysics (binary systems, extreme-mass-ratio inspirals) Theoretical Physics (quantum field theory in curved spacetime) Spieksma's 2024-2025 publications reveal a strong focus on environmental effects in gravitational systems, particularly how plasma and conductive media influence black hole dynamics and gravitational wave signatures. His work bridges particle physics and astrophysics through studies of ultralight bosons, neutron star superradiance, and boson cloud phenomena around compact objects. He actively collaborates with international researchers including V. Cardoso, E. Cannizzaro, and G. Bertone, contributing to high-impact journals like Physical Review Letters and Journal of Cosmology and Astroparticle Physics. His research has garnered significant attention with citations in Scopus and mentions across academic platforms like Mendeley and social media.









