Joscha Henheik

Brief Curriculum Vitae

from 09/2025: Postdoctoral Researcher, University of Geneva

05-08/2025: Postdoctoral Researcher, IST Austria

2020-2025: PhD Student, Mathematics, IST Austria

2019-2020: MSc Student, Physics, University of Tübingen

2017-2019: BSc Student, Mathematics, University of Tübingen

2015-2019: BSc Student, Physics, University of Tübingen

Curriculum vitae (pdf) for more detailed information

Publications and Preprints

Random matrix theory

• Normal and Dynamical Typicality in a Random Matrix Model.
  with László Erdős and Cornelia Vogel, arXiv: 2506.17177. (submitted)

• Law of fractional logarithm for random matrices.
  with Zhigang Bao, Giorgio Cipolloni, László Erdős, and Oleksii Kolupaiev, arXiv: 2503.18922. (submitted)

• Decorrelation transition in the Wigner minor process.
  with Zhigang Bao, Giorgio Cipolloni, László Erdős, and Oleksii Kolupaiev, arXiv: 2503.06549.  (submitted)

• Eigenvector decorrelation for random matrices.
  with Giorgio Cipolloni, László Erdős, and Oleksii Kolupaiev, arXiv: 2410.10718. (submitted)

• Loschmidt Echo for Deformed Wigner Matrices.
  with László Erdős and Oleksii Kolupaiev, arXiv: 2410.08108, Letters in Mathematical Physics, 115, 14, 2025. 

• Cusp Universality for Correlated Random Matrices.
  with László Erdős and Volodymyr Riabov, arXiv: 2410.06813,  Communications in Mathematical Physics, 406, 253, 2025.

• Out-of-time-ordered correlators for Wigner matrices.
  with Giorgio Cipolloni and László Erdős, arXiv: 2402.17609,  to appear in Advances in Theoretical and Mathematical Physics.

• Prethermalization for deformed Wigner matrices.
  with László Erdős, Jana Reker, and Volodymyr Riabov, arXiv: 2310.06677, Annales Henri Poincaré, 26, 1991-2033, 2025. 

• Eigenstate thermalisation at the edge for Wigner matrices.
  with Giorgio Cipolloni and László Erdős, arXiv: 2309.05488, to appear in Annales de l’Institut Henri Poincaré. 

• Eigenstate Thermalisation Hypothesis for Translation Invariant Spin Systems.
  with Shoki Sugimoto, Volodymyr Riabov, and László Erdős, arXiv: 2304.04213, Journal of Statistical Physics, 190, 128, 2023. 

• Gaussian fluctuations in the Equipartition Principle for Wigner matrices.
  with Giorgio Cipolloni, László Erdős, and Oleksii Kolupaiev, arXiv: 2301.05181, Forum of Mathematics, Sigma, 11, E74, 2023. 

• Optimal lower bound on eigenvector overlaps for non-Hermitian random matrices.
  with Giorgio Cipolloni, László Erdős, and Dominik Schröder, arXiv: 2301.03549, Journal of Functional Analysis, 287, 4, 110495, 2024. 

BCS theory of superconductivity

• Multi-band superconductors have enhanced critical temperatures.
  with Edwin Langmann and Asbjørn Bækgaard Lauritsen, arXiv: 2409.17297.  (submitted)

• Universal behavior of the BCS energy gap.
  with Asbjørn Bækgaard Lauritsen, arXiv: 2312.11310, Journal of Spectral Theory, 15, 305-352, 2025. 

• Universality in low-dimensional BCS theory.
  with Asbjørn Bækgaard Lauritsen and Barbara Roos, arXiv: 2301.05621, Reviews in Mathematical Physics, 36, 9, 2360005, 2024. 

• The BCS Energy Gap at High Density.
  with Asbjørn Bækgaard Lauritsen, arXiv: 2106.02028, Journal of Statistical Physics, 189, 5, 2022. 

• The BCS Critical Temperature at High Density.
  arXiv: 2106.02015, Mathematical Physics, Analysis and Geometry, 25, 3, 2022.

Quantum lattice systems and adiabatic theory

• Clustering of quantum correlations at low temperature.
  with Arka Adhikari, Marius Lemm, and Tom Wessel, arXiv: 2508.15907.  

• Response theory for locally gapped systems.
  with Tom Wessel, arXiv: 2410.10809. (submitted)

• On adiabatic theory for extended fermionic lattice systems.
  with Tom Wessel, arXiv: 2208.12220, Journal of Mathematical Physics, 63, 121101, 2022. 

• Local stability of ground states in locally gapped and weakly interacting quantum spin systems.
  with Stefan Teufel and Tom Wessel, arXiv: 2106.13780, Letters in Mathematical Physics, 112, 9, 2022.

• Adiabatic theorem in the thermodynamic limit. Systems with a uniform gap.
  with Stefan Teufel, arXiv: 2012.15238, Journal of Mathematical Physics, 63, 011901, 2022.

• Adiabatic theorem in the thermodynamic limit. Systems with a gap in the bulk.
  with Stefan Teufel, arXiv: 2012.15239, Forum of Mathematics, Sigma, 10, E4, 2022.

• Justifying Kubo’s formula for gapped systems at zero temperature: a short review and some new results.
  with Stefan Teufel, arXiv: 2002.08669, Reviews in Mathematical Physics, 33.2060004, 2021. 

Miscellaneous

• How a Space-Time Singularity Helps Remove the Ultraviolet Divergence Problem.
  with Bipul Poudyal and Roderich Tumulka, arXiv: 2409.00677,  to appear in Advances in Theoretical and Mathematical Physics.

• Creation Rate of Dirac Particles at a Point Source.
  with Roderich Tumulka, arXiv: 2211.16606, Journal of Physics A: Mathematical and Theoretical, 56, 445201, 2023.

• Deformational rigidity of integrable metrics on the torus.
  arXiv: 2210.02961, Ergodic Theory and Dynamical Systems, 45(2):467-503, 2025.

• Interior-boundary conditions for the Dirac equation at point sources in three dimensions.
  with Roderich Tumulka, arXiv: 2006.16755, Journal of Mathematical Physics, 63, 122302, 2022.

PhD Thesis

• Modeling complex quantum systems: Random matrices, BCS theory, and quantum lattice systems.
  Institute of Science and Technology Austria, April 2025. Available here. 

Link to my Google Scholar Profile.  

List of collaborators: Arka Adhikari, Zhigang Bao, Giorgio Cipolloni, László Erdős, Oleksii Kolupaiev, Edwin Langmann, Asbjørn Bækgaard Lauritsen, Marius Lemm, Bipul Poudyal, Jana Reker, Volodymyr Riabov, Barbara Roos, Dominik Schröder, Shoki Sugimoto, Stefan Teufel, Roderich Tumulka, Cornelia Vogel, Tom Wessel

Contact Information

Institute of Science and Technology Austria
Am Campus 1
3400 Klosterneuburg
AUSTRIA

joscha.henheik@ist.ac.at