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

Sjors Heefer

Peer-reviewed articles

Journal publications, ordered from newest to oldest.

2026

L. F. Niehof, S. Heefer, A. Fuster, F. Toschi

Higher-curvature corrections and the endpoint of black hole evaporation in gravitational effective field theory

Classical and Quantum Gravity (2026)

2026

S. Heefer, Fidel F. Villaseñor, Andrea Fuster

Einstein-Kropina Metrics and Their Application in Finsler Gravity

Journal of Geometry and Physics, 105970

2025

A. Friedl-Szász, E. Popovici-Popescu, N. Voicu, C. Pfeifer, S. Heefer

Cosmological Landsberg-Finsler spacetimes

Physical Review D 111, 044058

2025

R. Alves Batista et al.

White paper and roadmap for quantum gravity phenomenology in the multi-messenger era

Classical and Quantum Gravity 42, 032001

2025

S. Heefer, Lorens F. Niehof, A. Fuster

A new class of non-Einstein pp-wave solutions to quadratic gravity

Physical Review D 111, 024029

2024

S. Heefer

Berwald m-Kropina spaces of arbitrary signature: metrizability and Ricci-flatness

Journal of Mathematical Physics 65, 122502

2023

S. Heefer, C. Pfeifer, A. Reggio, A. Fuster

A cosmological unicorn solution to Finsler gravity

Physical Review D 108, 064051

2023

S. Heefer, A. Fuster

Finsler gravitational waves of (α,β)-type and their observational signature

Classical and Quantum Gravity 40, 184002

2023

S. Heefer, C. Pfeifer, J. van Voorthuizen, A. Fuster

On the metrizability of m-Kropina spaces with closed null one-form

Journal of Mathematical Physics 64, 022502

2022

A. Addazi et al.

Quantum gravity phenomenology at the dawn of the multi-messenger era — a Review

Progress in Particle and Nuclear Physics 125, 103948

2021

S. Heefer, C. Pfeifer, A. Fuster

Randers pp-waves

Physical Review D 104, 024007

2021

C. Pfeifer, S. Heefer, A. Fuster

Identifying Berwald Finsler geometries

Differential Geometry and its Applications 79, 101817

2020

A. Fuster, S. Heefer, C. Pfeifer, N. Voicu

On the non metrizability of Berwald Finsler spacetimes

Universe 6, 64

2019

G. Gubitosi, S. Heefer

Relativistic compatibility of the interacting κ-Poincaré model and implications for the relative locality framework

Physical Review D 99, 086019

Other academic publications

2024

S. Heefer

Book review of ‘A Mathematical Introduction to General Relativity’ by Amol Sasane

Nieuw Archief voor Wiskunde 5(25)

Theses

Scientific posters

Poster about Randers pp-waves Poster about gravitational waves in Finsler gravity Poster about the kappa-Poincare model
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