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.

Financial support of this project is provided through Scientific Discovery through Advanced Computing (SciDAC) program funded by U.S. Department of Energy, Office of Science, Advanced Scientific Computing Research and Basic Energy Sciences under award number DE-FG02-12ER46875.