Stefano Pittalis

  • CNR Researcher
  • stefano.pittalis@nano.cnr.it
  • Modena
  • +39-059-2055262
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Short Bio

Highlights:

  • 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.

 

Positions:

  • 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 Reduced Density Matrix Functional Theory for Excited States and Hierarchical Generalization of Pauli’s Exclusion Principle", Phys. Rev. Lett. 127 023001 (2021)
  • T. Gould, G. Stefanucci, and S. Pittalis, "Ensemble density-functional theory: Insight from the fluctuation-dissipation theorem", Phys. Rev. Lett. 125 , 233001 (2020)
  • T. Gould and S. Pittalis, "Density-Driven Correlations in Many-Electron Ensembles: Theory and Application for Excited States", Phys. Rev. Lett. 123 , 016401 (2019)
  • T. Gould and S. Pittalis, "Hartree and Exchange in Ensemble Density Functional Theory: Avoiding the Nonuniqueness Disaster", Phys. Rev. Lett. 119 , 243001 (2017)
  • S. Pittalis, G. Vignale, and F.G. Eich, "U(1) X SU(2) gauge invariance made simple for density functional approximations", Phys. Rev. B 96, 035141 (2017)
  • E. Räsänen, C.A. Rozzi, S. Pittalis, and G. Vignale, "Electron-Electron Interactions in Artificial Graphene", Phys. Rev. Lett. 108, 246803 (2012)
  • S. Pittalis, C.R. Proetto, A. Floris, A. Sanna, C. Bersier, K. Burke, and E.K.U. Gross, "Exact Conditions in Finite-Temperature Density-Functional Theory", Phys. Rev. Lett. 107, 163001 (2011)
  • E. Räsänen, S. Pittalis, K. Capelle, and C.R. Proetto, "Lower Bounds on the Exchange-Correlation Energy in Reduced Dimensions", Phys. Rev. Lett. 102, 206406 (2009)

Istituto Nanoscienze 

Consiglio Nazionale delle Ricerche

 

PEC: protocollo.nano@pec.cnr.it

Partita IVA 02118311006

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Pisa NEST

Piazza San Silvestro 12

56127 Pisa, Italy

phone +39 050 509418

fax +39 050 509550

segreteria.nest@nano.cnr.it

Modena S3
via Campi 213/A
41125 Modena, Italy
phone +39 059 2055629
fax +39 059 2055651
segreteria.s3@nano.cnr.it

Istituto Nanoscienze Consiglio Nazionale delle Ricerche

Facebook-f Instagram Twitter Linkedin
Pisa NEST

Piazza San Silvestro 12, I
56127 Pisa

phone +39 050 509525/418

fax +39 050 509550

Modena S3

via Campi 213/A, I 

41125 Modena 7

phone +39 059 2055629

fax +39 059 2055651″