| Perdew | |
|---|---|
| Name | John P. Perdew |
| Birth date | 1942 |
| Birth place | United States |
| Nationality | United States |
| Fields | Density functional theory, Condensed matter physics, Computational chemistry |
| Workplaces | Tulane University, Temple University, Oak Ridge National Laboratory, Rutgers University, Tulane University School of Science and Engineering |
| Alma mater | Rensselaer Polytechnic Institute, University of Illinois Urbana–Champaign |
| Known for | Perdew–Burke–Ernzerhof, development of exchange–correlation functionals, contributions to Kohn–Sham equations |
| Awards | Davisson–Germer Prize, Buckley Prize |
Perdew
John P. Perdew is an American theoretical physicist and computational scientist known for foundational work in Density functional theory (DFT) and the construction of exchange–correlation approximations used across condensed matter physics and computational chemistry. His research on generalized gradient approximations and the eponymous Perdew–Burke–Ernzerhof (PBE) functional has been widely adopted in electronic-structure calculations for materials, molecules, and nanostructures, shaping both basic science and technology-relevant simulations.
John P. Perdew earned his undergraduate degree at Rensselaer Polytechnic Institute and a Ph.D. in physics from the University of Illinois Urbana–Champaign. He has held academic and national-laboratory positions, including appointments at Rutgers University, Temple University, and affiliations with Oak Ridge National Laboratory. Perdew's career spans decades of theoretical work in many-electron problems, with sustained collaborations with chemists and materials scientists at institutions such as Tulane University and research programs funded by agencies like the National Science Foundation and the DOE. He has received major recognitions including the Davisson–Germer Prize (American Physical Society) and the Oliver E. Buckley Condensed Matter Prize for contributions to electronic structure theory. Perdew has also served on editorial boards of journals such as Physical Review B and has lectured widely at conferences including MRS (Materials Research Society) meetings and APS March Meeting symposia.
Perdew's scientific contributions center on practical and principled approximations to the exchange–correlation energy in DFT, improving accuracy for both homogeneous and inhomogeneous electronic systems. He advanced the formal understanding of exact conditions for exchange–correlation functionals, building on foundational work by Walter Kohn and Lu Jeu Sham (the Kohn–Sham equations). Perdew developed and championed constraints-based construction of functionals, emphasizing satisfaction of known limits and sum rules. His work influenced commonly used approximations such as the local density approximation (LDA) refinements and generalized gradient approximation (GGA) families. Perdew collaborated with theorists including Kieron Burke and Mel Levy to clarify the role of self-interaction errors, derivative discontinuities, and the connection between DFT and many-body perturbation theory methods like the GW approximation.
The Perdew–Burke–Ernzerhof (PBE) functional, co-developed with Kieron Burke and Matthias Ernzerhof, is a nonempirical GGA that enforces exact constraints while maintaining broad applicability. PBE became a standard in electronic-structure codes such as VASP, Quantum ESPRESSO, ABINIT, and Gaussian for simulations of solids, surfaces, and molecules. Perdew also contributed to meta-GGAs and hybrid schemes, including the development of functionals like PBE0 (a hybrid mixing PBE with exact exchange) and later constraint-based meta-GGA forms that seek to reduce delocalization and static-correlation errors. These functionals are frequently benchmarked against experimental databases (e.g., NIST reference data) and quantum-chemistry methods such as Coupled cluster and Configuration interaction approaches to quantify predictive performance across thermochemistry, reaction barriers, and structural properties.
Perdew's approximations underpin countless studies of semiconductor band structures, magnetism in transition-metal compounds, adsorption phenomena on catalyst surfaces, and the electronic behavior of low-dimensional systems like graphene and transition metal dichalcogenides. PBE and related functionals enabled high-throughput materials screening projects such as the Materials Project and Open Quantum Materials Database, accelerating discovery for energy technologies (e.g., battery cathodes, photovoltaics). In computational chemistry, Perdew's work improved predictions of molecular geometries, vibrational frequencies, and reaction energetics, informing organic synthesis and catalysis research. The practical ubiquity of his functionals has raised important discussions about reproducibility, benchmarking standards, and the social allocation of computational resources across research institutions and countries.
Perdew is notable for advocating a principled, constraint-based methodology: build approximations that satisfy known exact properties of the exchange–correlation energy rather than fitting large empirical datasets. This philosophy links to broader debates between empirical and nonempirical modeling in theoretical chemistry and physics. Perdew emphasized transparency, transferability, and minimal empiricism to promote fair access to reliable computational tools across diverse research communities. He has contributed to clarifying conceptual issues such as the role of density scaling, the adiabatic connection formalism, and the treatment of strong correlation within DFT, intersecting with methods like dynamical mean field theory (DMFT) and embedding techniques.
Beyond technical work, Perdew has been active in mentoring graduate students and postdocs, many of whom now lead research groups in university departments and national laboratories worldwide. He has spoken about equitably distributing computational infrastructure and training to reduce disparities between well-funded centers and under-resourced institutions, aligning with broader movements for diversity, inclusion, and social justice in science. Perdew's collaborations across disciplinary boundaries—connecting physicists, chemists, and materials engineers—have fostered interdisciplinary education and broadened participation in computational materials research, supporting capacity building in emerging research communities. American Physical Society and other professional societies have recognized the importance of such mentorship and advocacy in sustaining a scientifically robust and equitable field.
Category:Density functional theory Category:Theoretical physicists Category:Computational chemists