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Professor Xavier Calmet is a faculty member at the University of Sussex within the School of Mathematical and Physical Sciences, holding the academic rank of Professor of Physics (Physics and Astronomy). He has been affiliated with the university since 2009 and is actively engaged in research on quantum gravity, black hole physics, and quantum sensors for fundamental physics.
- PhD from Ludwig Maximilian University of Munich
- Postdoctoral experience at Caltech, UNC Chapel Hill, Free University of Brussels, University of Oregon, and Catholic University of Louvain
His research focuses on quantum effects in black holes and the early universe, with significant contributions to quantum hair, black hole thermodynamics, and the stability of fundamental constants. He has developed effective field theory methods for model-independent quantum gravity calculations and collaborates with the National Physical Laboratory (NPL) to probe new physics using atomic clocks.
The analysis of his recent publications reveals interdisciplinary work at the intersection of quantum gravity, cosmology, and information theory. His studies on quantum hair, black hole entropy corrections, and gravitational collapse have implications for resolving the Hawking information paradox and understanding fundamental constants' stability.
Professor Calmet has secured multiple grants from the Science and Technology Facilities Council (STFC) and the Nuffield Foundation, including funding for the QSNET collaboration (a network of clocks to measure fundamental constant stability) and quantum gravity research projects. He also contributes to teaching advanced quantum field theory and has previously taught courses on electromagnetism, variational calculus, and mathematical methods in physics.
He collaborates extensively with researchers such as Stephen D.H. Hsu, Andrea Giusti, and Nicole Sherrill, and is active in theoretical particle physics consortia like the South East Particle Theory Alliance (SEPTA).


