Stefano Pittalis

Short Bio


  • 2021: Awardee within the Excellence Programme of the University of Jena, Germany
  • 2017: Italian Scientific Habilitation for Associate Professorships
  • 2013: International Incoming Fellowship (IIF) within the FP7 Marie Curie Action
  • 2008: Ph.D. in Theoretical Physics, Free University Berlin, Germany.



  • 2013 – present time: CNR Researcher -NANO, Modena, Italy
  • 2011 – 2013: Postdoc, University of California—Irvine, CA, U.S.A.
  • 2009 – 2011: Postdoc, University of Missouri—Columbia, MO, U.S.A.
  • 2008 – 2009: Postdoc, Free University Berlin, Germany.


  • Experience before Ph.D. includes positions held as Data Scientist (University of Rome La Sapienza) and as Software Engineer (IBM, Italy)

Research Interests

  • Quantum many-body problems in physics, chemistry, and materials science.
  • Development and application of computational methods for the simulation of quantum materials.
  • Density-functional theory: generalizations, hybridizations, and applications.

Selected Recent Projects

Attosecond transient absorption and reflectivity for the study of exotic materials (MIUR PRIN Grant No. 2017RKWTMY)

Selected Publications

  • T. Gould, D. P. Kooi, P. Gori-Giorgi, S. Pittalis ''Electronic excited states in extreme limits via ensemble density functionals'' Phys. Rev. Lett. 130, 106401 (2023)
  • C. L. Benavides-Riveros, L. Chen, C. Schilling, S. Mantilla, S. Pittalis, "Excitations of Quantum Many-Body Systems via Purified Ensembles: A Unitary-Coupled-Cluster-Based Approach", Phys. Rev. Lett. 129, 066401 (2022)
  • C. Schilling and S. Pittalis, "Ensemble Red