So Hirata (Chemistry, UIUC) - Lead PI
Hirata is a theoretical/computational chemist and an expert in electron-correlation theories for molecules and solids. He is the primary author of the computer-generated, high-rank electron-correlation modules in DOE's massively parallel NWCHEM suite of software, implemeting several of his original methods.
Lucas Wagner (Physics, UIUC) - Co-lead PI
Wagner is the principal author of the quantum Monte Carlo program, QWALK, with which he has performed predictively accurate calculations on strongly correlated systems.
Peter Abbamonte (Physics, UIUC) - PI
Abbamonte, an experimental condensed-matter physicist, brings an invaluable experimental insight into the project. He is one of the originators of resonant soft x-ray scattering, with which he discovered a Wigner crystal in doped spin ladders and the charged stripes in copper-oxide superconductors.
David Ceperley (Physics, UIUC) - PI
Ceperley is a theoretical/computational physicist and an authority of quantum Monte Carlo (QMC). He invented a number of QMC algorithms and is the author of massively parallel QMCPACK software.
Garnet Chan (Chemistry, Princeton) - PI
Chan is a recognized expert in strong correlation theories including density matrix renormalization group (DMRG), tensor networks, and density matrix functional theory. He has, in particular, established DMRG as a practical, powerful tool for strongly correlated molecular electronic structures.
Bryan Clark (Physics, UIUC) - PI
Clark has considerable experience in both conventional quantum Monte Carlo (QMC) and novel extensions such as QMC in the Hilbert space. He has developed a large-scale parallel algorithm of QMC in PIMC++.
Shinsei Ryu (Physics, UIUC) - PI
Ryu specializes in mathematical theories of strong correlation and other condensed phase electronic structures. Ryu is a pioneer in the use of entanglement entropy in classifying topological phases of matter and has predicted the fractional topological insulator in two dimension.
Shiwei Zhang (Physics, W&M) - PI
Zhang specializes in computational condensed matter physics and materials science. Zhang is a pioneer in the use of quantum Monte Carlo (QMC) in the Hilbert space for strong correlation. He is the inventor of the phaseless auxiliary field QMC.
Habib N. Najm (Sandia) - QUEST Director
Najm leads the SciDAC Institute QUEST. His expertise include uncertainty quantification and statistical inference methods development as well as their application in differential equations.
Khachik Sargsyan (Sandia) - QUEST member
Sargsyan has an applied mathematics background with expertise in stochastic processes, spectral methods, and statistical analysis.
Hitesh Changlani (Physics, UIUC) - postdoc
Changlani specializes in condensed matter physics and computational physics.
Prashant Rai (Sandia) - QUEST postdoc
Rai has expertise in applied mathematics, statistics, numerical modeling, and uncertainty quantification. Rai leads a sparse-grid solution of ab initio electronic structures and dynamics.