Sebastian Garcia-Saenz Assistant Professor

personal profile

Sebastian Garcia-Saenz is a theoretical cosmologist whose research covers a wide range of topics in early-universe physics, gravitation, particle astrophysics and high-energy physics. He is particularly interested in developing new approaches to the dark energy problem as well as new paradigms of cosmic inflation.

Research Areas

  • Theoretical cosmology
  • Gravitation
  • High-energy physics
  • Theoretical astrophysics

Educational Background

Ph.D. in Physics (2016), Columbia University, USA

Professional Experience

Postdoctoral researcher (2016-2019), Institut d’Astrophysique de Paris, France
Research associate (2019-2021), Imperial College London, UK
Assistant professor (2021-present), SUSTech, China

Honors & Awards

Young Scientist Fellowship (2021), Institute for Basic Science, Korea (declined) 

JSPS International Fellowship (2019), Yukawa Institute for Theoretical Physics, Japan (declined) 

Allan M. Sachs Teaching Award (2016), Columbia University, USA 

Joseph C. Pfister fellowship (2014), Columbia University, USA

Selected Publication

S. Garcia-Saenz, A. Held, J. Zhang, “Destabilization of black holes and stars by generalized Proca fields,” Phys. Rev. Lett. 127 (2021), 131104 

S. Garcia-Saenz, L. Pinol, S. Renaux-Petel, “Revisiting non-Gaussianity in multifield inflation with curved field space”, JHEP 2001 (2020) 073

N. Boulanger, C. Deffayet, S. Garcia-Saenz, L. Traina, “Theory for multiple partially massless spin-2 fields”, Phys. Rev. D 100 (2019), 101701(R)

J. Fumagalli, S. Garcia-Saenz, L. Pinol, S. Renaux-Petel, J. Ronayne, “Hyper nonGaussianities in inflation with strongly non-geodesic motion”, Phys. Rev. Lett. 123 (2019), 201302 

S. Garcia-Saenz, K. Hinterbichler, R. A. Rosen, “Supersymmetric Partially Massless Fields and Non-Unitary Superconformal Representations,” JHEP 1811 (2018) 166