University of Insubria, Italy.
Leonardo Di Giustino is an Italian theoretical physicist specializing in Quantum Chromodynamics (QCD) and condensed matter physics. With two Ph.D. degrees in physics, his research spans from renormalization scale-setting in QCD to electron states in metal interfaces. He has held research positions at institutions such as the University of Insubria, Max Planck Institute, and SLAC National Accelerator Laboratory. In addition to his academic career, he has extensive experience as a high school teacher in mathematics and physics.
Profile
Education🎓
Dr. Leonardo Di Giustino holds two Ph.D. degrees in physics, demonstrating his deep expertise in both theoretical and computational physics. He earned his Ph.D. in Physics (2022, cum laude) from the University of Insubria, Italy, with a thesis titled "The Renormalization Scale-Setting Problem in QCD," focusing on fundamental issues in quantum chromodynamics. Earlier, he completed his first Ph.D. in Physics (2005) at the University of Modena and Reggio Emilia, Italy, where his research, "Ab initio study of NiO-Fe interfaces: electron states and magnetic configurations," explored the electronic and magnetic properties of materials at the atomic level. His academic journey began with an M.Sc. in Physics (2001) from the University of Rome "La Sapienza," where he investigated "Semileptonic Inclusive Decays of Heavy Flavors." In addition to his research credentials, he holds High School Teaching Qualifications from the University of Modena and the University of Parma, equipping him with the expertise to educate and inspire future generations in mathematics and physics.
Experience🏢
Dr. Leonardo Di Giustino is a dedicated researcher with extensive experience in theoretical physics, particularly in quantum chromodynamics (QCD) and renormalization scale-setting methods. From 2022 to 2024, he served as a Postdoctoral Researcher at the University of Insubria, Italy, where he contributed to advancements in high-energy physics. His research journey includes international collaborations, such as his role as a Visiting Scientist at SLAC National Accelerator Laboratory, USA (2011, 2018–2019), where he worked alongside leading physicists on cutting-edge particle physics projects. Additionally, he was a Fellowship Researcher at the Max Planck Institute for Physics, Germany (2012–2013), further strengthening his expertise in theoretical physics. Earlier in his career, he was a Research Fellow at the University of Parma, Italy (2006–2007), contributing to fundamental studies in physics. Alongside his research activities, Dr. Di Giustino has been committed to education, serving as a Mathematics and Physics teacher since 2007, inspiring and mentoring students in scientific disciplines. His diverse experience highlights his dedication to both academic research and science education.
Research Interests🔬
Quantum Chromodynamics (QCD)
Renormalization and Regularization Methods in QCD
Collider Physics and Precision Calculations
Condensed Matter Physics & Magnetic Interfaces
Awards & Fellowships🏆
Angelo Della Riccia Foundation Fellowship (2011)
Max Planck Institute Fellowship (2012-2013)
Postdoctoral Fellowship, University of Insubria (2022-2024)
Selected Publications📚
1.Detailed Comparison of Renormalization Scale-Setting Procedures Based on the Principle of Maximum Conformality
Journal: Nuclear Physics B
Publication Date: April 2023
Contributors: Xu-Dong Huang, Jiang Yan, Hong-Hao Ma, Leonardo Di Giustino, Jian-Ming Shen, Xing-Gang Wu, Stanley J. Brodsky
Key Insights:
Compares various renormalization scale-setting methods.
Demonstrates the advantages of the Principle of Maximum Conformality (PMC) in eliminating scheme and scale ambiguities in QCD calculations.
2. Elimination of QCD Renormalization Scale and Scheme Ambiguities
Journal: Universe
Publication Date: April 2023
Contributors: Sheng-Quan Wang, Stanley Brodsky, Xing-Gang Wu, Jian-Ming Shen, Leonardo Di Giustino
Key Insights:
Focuses on how PMC removes renormalization ambiguities and improves QCD predictions.
Discusses applications of PMC in high-energy physics.
3. Elimination of QCD Renormalization Scale and Scheme Ambiguities (Preprint)
Publication Date: February 16, 2023
Contributors: Leonardo Di Giustino
Key Insights:
Early version of the Universe journal article.
Highlights the challenges in conventional renormalization procedures and how PMC provides a systematic solution.
4. The Renormalization Scale-Setting Problem in QCD (Ph.D. Thesis)
Publication Date: May 25, 2022
Contributors: Leonardo Di Giustino
Key Insights:
A comprehensive analysis of renormalization scale-setting methods in QCD.
Discusses theoretical foundations and applications of PMC.
5. Thrust Distribution for 3-Jet Production from e⁺e⁻ Annihilation within the QCD Conformal Window and in QED
Journal: Physics Letters B
Publication Date: December 2021
Contributors: Leonardo Di Giustino, Francesco Sannino, Sheng-Quan Wang, Xing-Gang Wu
Key Insights:
Applies PMC to 3-jet production in QCD and QED.
Examines the thrust distribution and its implications for high-energy physics.