"The most beautiful thing we can experience is the mysterious.
It is the source of all true art and science." - A. Einstein

Sjors Heefer

• Preprints

A. Friedl-Szász, E. Popovici-Popescu, N. Voicu, C. Pfeifer, S. Heefer, Cosmological Landsberg Finsler spacetimes, arXiv:2410.18197

S. Heefer, Lorens F. Niehof, A. Fuster, A new class of non-Einstein pp-wave solutions to quadratic gravity, arXiv:2406.19147 (accepted for publication in PRD)

R. Alves Batista et al., White paper and roadmap for quantum gravity phenomenology in the multi-messenger era, arXiv:2312.00409 (accepted for publication in CQG)



• Peer-reviewed Articles

S. Heefer, Berwald m-Kropina spaces of arbitrary signature: metrizability and Ricci-flatness, J. Math. Phys. 65, 122502 (2024) arXiv:2407.00094

S. Heefer, C. Pfeifer, A. Reggio, A. Fuster, A cosmological unicorn solution to Finsler gravity, Phys. Rev. D 108, 064051 (2023) arXiv:2306.00722

S. Heefer, A. Fuster, Finsler gravitational waves of (α,β)-type and their observational signature, Class. Quantum Grav. 40 184002 (2023) arXiv:2302.08334

S. Heefer, C. Pfeifer, J. van Voorthuizen, A. Fuster, On the metrizability of m-Kropina spaces with closed null 1-form, J. Math. Phys. 64, 022502 (2023) arXiv:2210.02718

A. Addazi et al., Quantum gravity phenomenology at the dawn of the multi-messenger era -- a Review, Prog. Part. Nucl. Phys. 125, 103948 (2022) arXiv:2111.05659

S. Heefer, C. Pfeifer, A. Fuster, Randers pp-waves, Phys. Rev. D 104, 024007 (2021) arXiv:2011.12969

C. Pfeifer, S. Heefer, A. Fuster, Identifying Berwald Finsler geometries, Differential Geom. Appl. 79, 101817 (2021) arXiv:1909.05284

A. Fuster, S. Heefer, C. Pfeifer, N. Voicu, On the non metrizability of Berwald Finsler spacetimes, Universe 6, 64 (2020) arXiv:2003.02300

G. Gubitosi, S. Heefer, Relativistic compatibility of the interacting κ-Poincaré model and implications for the relative locality framework, Phys. Rev. D 99, 086019 (2019) arXiv:1903.04593


• Theses

PhD Dissertation: Finsler Geometry, Spacetime & Gravity - From Metrizability of Berwald Spaces to Exact Vacuum Solutions in Finsler Gravity, 2024 (Supervisors: Andrea Fuster, Luc Florack)

Master's Thesis: Advancements on the Covariance of the κ-Poincaré Model and Relative Locality, 2018 (Supervisors: Giulia Gubitosi, Renate Loll)

Bachelor's Thesis: Deforming the su(1,1) Phase Space Structure of Effective Loop Quantum Cosmology, 2015 (Supervisor: Mercedes Martín-Benito)


• Scientific Posters

























© 2017 Sjors Heefer

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