Philipp Höhn


Philipp Höhn
Assistant Professor
2012 PhD in Theoretical Physics, Universiteit Utrecht, The Netherlands
2008 Diplom (equivalent), Humboldt Universität zu Berlin, Germany
2006 Bachelor of Science with Honours, The Australian National University, Australia

Professional Experience

  • 2020 - 2022 Honorary Associate Professor, University College London, UK
  • 2019 - 2020 Research Fellow, University College London, UK
  • 2015 - 2019 Senior Postdoctoral Researcher, Institute for Quantum Optics and Quantum Information, Austrian Academy of Sciences, Vienna, Austria
  • 2012 - 2015 Postdoctoral Researcher, Perimeter Institute for Theoretical Physics, Canada


  • 2022 co-PI of The Quantum Information Structure of Spacetime (QISS)
  • ​2019 It-from-Qubit Fellowship, Simons Foundation
  • 2019 ICE Fellow, Dartmouth College, USA
  • 2018 FQXi Large Grant + FQXi Member
  • 2015 Marie Sklodowska-Curie Individual Postoctoral Fellowship of the European Commission
  • 2015 Vienna Center for Quantum Science and Technology Postdoctoral Fellowship
  • 2008 Exceptional PhD Scholarship of DAAD

Editorial Board

  • New Journal of Physics
  • Quantum

Select Publications

  • Julian De Vuyst, Stefan Eccles, Philipp A. Höhn and Josh Kirklin, "Gravitational entropy is observer-dependent", arXiv:2405.00114
  • Anne-Catherine de la Hamette, Thomas D. Galley, Philipp A. Höhn, Leon Loveridge and Markus P. Müller, "Perspective-neutral approach to quantum frame covariance for general symmetry groups", arXiv:2110.13824
  • Shadi Ali Ahmad, Thomas D. Galley, Philipp A. Höhn, Maximilan P. E. Lock and Alexander R. H. Smith,  "Quantum Relativity of Subsystems", Phys.Rev.Lett. 128 (2022) 17, 170401, arXiv:2103.01232
  • S. Carrozza and P. A. Höhn, "Edge modes as reference frames and boundary actions from post-selection", JHEP 02 72 (2022), Preprint arXiv:2109.06184
  • P. A. Höhn, A. Smith and M. Lock 2021, "The trinity of relational quantum dynamics", Phys. Rev. D 104 066011, Preprint arXiv:1912.00033
  • P. A. Höhn 2017, Toolbox for reconstructing quantum theory from rules on information acquisition, Quantum 1 38, Preprint arXiv:1412.8323