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| David Ceperley | |
|---|---|
| Name | David Ceperley |
| Birth date | 1949 |
| Birth place | United States |
| Fields | Physics |
| Workplaces | University of Illinois Urbana–Champaign; International Centre for Theoretical Physics |
| Alma mater | Cornell University; University of Illinois Urbana–Champaign |
| Doctoral advisor | John Wheatley |
| Known for | Quantum Monte Carlo; many-body simulations |
| Awards | Davisson–Germer Prize |
David Ceperley is an American computational physicist known for pioneering work in quantum Monte Carlo methods for interacting many-body systems. His research advanced understanding of quantum fluids, solids, and electron correlation, influencing studies across low-temperature physics and condensed matter. He held faculty positions and led computational efforts impacting theoretical modeling and numerical algorithms.
Ceperley was born in the United States and pursued undergraduate and graduate studies that connected him with prominent figures and institutions in physics. He completed graduate work at Cornell University and the University of Illinois Urbana–Champaign, interacting with researchers associated with John Wheatley (physicist) and contemporaries who contributed to developments at laboratories such as Los Alamos National Laboratory and Bell Labs. During his education he engaged with topics relevant to experimental programs at facilities like the National Institute of Standards and Technology and theoretical initiatives at the International Centre for Theoretical Physics.
Ceperley held academic appointments at the University of Illinois Urbana–Champaign and collaborated with international centers including the International Centre for Theoretical Physics and research groups affiliated with Princeton University and the Massachusetts Institute of Technology. He participated in programs supported by agencies such as the National Science Foundation and worked with colleagues connected to the Argonne National Laboratory and the Lawrence Berkeley National Laboratory. His career involved collaborations with theorists and experimentalists from institutions like Harvard University, Stanford University, Yale University, Columbia University, University of Cambridge, University of Oxford, École Normale Supérieure, Max Planck Society, CNRS, CERN, Imperial College London, California Institute of Technology, Johns Hopkins University, Brown University, Rutgers University, University of Chicago, University of Pennsylvania, University of California, Berkeley, University of California, Santa Barbara, University of Michigan, University of Texas at Austin, University of Washington, University of Maryland, Ohio State University, University of Colorado Boulder, University of Massachusetts Amherst, Rice University, Duke University, Purdue University, Northwestern University, University of Illinois System, Los Alamos National Laboratory, Sandia National Laboratories, and Brookhaven National Laboratory.
Ceperley is best known for advancing quantum Monte Carlo techniques, including path-integral methods and variational and diffusion Monte Carlo, which have been applied to problems involving helium-4, helium-3, electronic structure of solids, and correlated electron systems. His work on quantum fluids connected theoretical predictions to experiments at facilities like the Kapitza Institute and research groups studying superfluidity in liquid helium and experiments at the Low Temperature Laboratory. He developed algorithms that influenced electronic structure calculations alongside methods such as density functional theory and many-body perturbation theory used at institutions including Bell Labs and IBM Research. Ceperley also contributed to studies on phase transitions, melting of quantum solids, and properties of Wigner crystal phases relevant to research performed at Bell Labs and university condensed matter groups.
His methodological innovations included improvements in importance sampling, trial wavefunction design, and fixed-node approximations used in diffusion Monte Carlo, enabling more accurate energy estimates for systems studied at the National High Magnetic Field Laboratory and in collaborations with groups at the Institute for Advanced Study and the Kavli Institute for Theoretical Physics. Ceperley's calculations informed understanding of correlation energy in homogeneous electron gas models and were compared to results from quantum chemistry approaches used at Princeton University and Harvard University by researchers developing coupled-cluster and configuration interaction methods.
Ceperley's achievements have been recognized by awards and fellowships from organizations including the American Physical Society and prizes such as the Davisson–Germer Prize. He was elected a fellow of professional societies and received invitations to speak at conferences organized by the International Union of Pure and Applied Physics and the American Association for the Advancement of Science. His work garnered citations across journals published by societies like the American Physical Society and publishers associated with Cambridge University Press and Oxford University Press.
- Ceperley, D. M., and B. J. Alder, papers on quantum Monte Carlo and correlated systems published in journals associated with the American Physical Society and presented at conferences hosted by Los Alamos National Laboratory and the Institute of Physics. - Major articles on path-integral Monte Carlo addressing properties of helium-4 and helium-3 relevant to experimental programs at the Low Temperature Laboratory and collaborations with researchers from University of Cambridge and Massachusetts Institute of Technology. - Reviews on quantum Monte Carlo methods published in venues read by researchers at Princeton University, Harvard University, and California Institute of Technology, and cited by work in condensed matter physics groups at Stanford University and University of Oxford.
Ceperley mentored students and postdoctoral researchers who went on to positions at institutions such as Princeton University, Harvard University, University of California, Berkeley, Massachusetts Institute of Technology, University of Cambridge, University of Oxford, Yale University, Columbia University, Stanford University, Caltech, Bell Labs, Los Alamos National Laboratory, Argonne National Laboratory, and Brookhaven National Laboratory. His legacy includes widespread adoption of quantum Monte Carlo in studies of superconductivity and quantum phase transitions pursued at centers like the Kavli Institute for Theoretical Physics and experimental programs at the National High Magnetic Field Laboratory. He remains cited in contemporary research from groups affiliated with the Max Planck Society, CNRS, and major universities worldwide.
Category:American physicists Category:Computational physicists Category:Quantum physicists