activity
20172022
most citedNWChem: Past, Present, and Future

699 citations · 1.2k across the 10 of their papers we have counts for

collaborators

11 papers

quant-ph2022★ 1 cited

Localized Quantum Chemistry on Quantum Computers

Matthew Otten, Matthew R. Hermes, Riddhish Pandharkar +3

Quantum chemistry calculations of large, strongly correlated systems are typically limited by the computation cost that scales exponentially with the size of the system. Quantum al…

quant-ph2021★ 36 cited

Quantum-Classical Hybrid Algorithm for the Simulation of All-Electron Correlation

Jan-Niklas Boyn, Aleksandr O. Lykhin, Scott E. Smart +2

While the treatment of chemically relevant systems containing hundreds or even thousands of electrons remains beyond the reach of quantum devices, the development of quantum-classi…

physics.chem-ph2020★ 699 cited

NWChem: Past, Present, and Future

E. Aprà, E. J. Bylaska, W. A. de Jong +111

Specialized computational chemistry packages have permanently reshaped the landscape of chemical and materials science by providing tools to support and guide experimental efforts…

physics.chem-ph2020★ 69 cited

The Variational Localized Active Space Self-Consistent Field Method

Matthew R. Hermes, Laura Gagliardi

Fragmentation methods applied to multireference wave functions constitute a road towards the application of highly accurate ab initio wave function calculations to large molecules…

physics.chem-ph2020★ 53 cited

Multi-State Pair-Density Functional Theory

Jie J. Bao, Chen Zhou, Zoltan Varga +3

Multiconfiguration pair-density functional theory (MC-PFDT) has previously been applied successfully to carry out ground-state and excited-state calculations. However, because it i…

cond-mat.str-el2019

Periodic Electronic Structure Calculations With Density Matrix Embedding Theory

Hung Q. Pham, Matthew R. Hermes, Laura Gagliardi

We extend density matrix embedding theory to periodic systems, resulting in an electronic band structure method for solid-state materials. The electron correlation can be captured…

physics.chem-ph2018★ 117 cited

Exactly-embedded multiconfigurational self-consistent field theory using density matrix embedding: the localized active space self-consistent field method

Matthew R. Hermes, Laura Gagliardi

Density matrix embedding theory (DMET) is a fully quantum-mechanical embedding method which shows great promise as a method of defeating the inherent exponential cost scaling of mu…

physics.chem-ph2018

Density Matrix Renormalization Group Pair-Density Functional Theory (DMRG-PDFT): Singlet-Triplet Gaps in Polyacenes and Polyacetylenes

Prachi Sharma, Varinia Bernales, Stefan Knecht +2

The density matrix renormalization group (DMRG) is a powerful method to treat static correlation. Here we present an inexpensive way to add additional dynamic correlation energy to…

physics.chem-ph2017★ 80 cited

Can Density Matrix Embedding Theory with the Complete Activate Space Self-Consistent Field Solver Describe Single and Double Bond Breaking in Molecular Systems?

Hung Q. Pham, Varinia Bernales, Laura Gagliardi

Density matrix embedding theory (DMET) [Phys. Rev. Lett.2012, 109, 186404] has been demonstrated as an efficient wave-function-based embedding method to treat extended systems. Des…

physics.chem-ph2017

Analytic Gradients for Complete Active Space Pair-Density Functional Theory

Andrew M. Sand, Chad. E. Hoyer, Kamal Sharkas +4

Analytic gradient routines are a desirable feature for quantum mechanical methods, allowing for efficient determination of equilibrium and transition state structures and several o…

physics.chem-ph2017★ 181 cited

Pushing Configuration-Interaction to the Limit: Towards Massively Parallel MCSCF Calculations

Konstantinos D. Vogiatzis, Dongxia Ma, Jeppe Olsen +2

A new large-scale parallel multiconfigurational self-consistent field (MCSCF) implementation in the open-source NWChem computational chemistry code is presented. The generalized ac…