activity
20202026
most citedThe Effect of Geometry, Spin and Orbital Optimization in Achieving Accurate, Fully-Correlated Results for Iron-Sulfur Cubanes

23 citations · 43 across the 12 of their papers we have counts for

collaborators

12 papers

physics.chem-ph2026

Hunting for quantum advantage in electronic structure calculations is a highly non-trivial task

Örs Legeza, Andor Menczer, Miklós Antal Werner +7

In light of major developments over the past decades in both quantum computing and simulations on classical hardware, it is a serious challenge to identify a real-world problem whe…

cond-mat.mtrl-sci2026★ 1 cited

Efficient first-principles modeling of complex molecular crystals at sub-chemical accuracy

Benjamin X. Shi, Kristina M. Herman, Flaviano Della Pia +5

Molecules can form myriad crystalline polymorphs, each with distinct properties affecting their performance across diverse applications, from pharmaceuticals to functional material…

physics.chem-ph2025

Mixed-precision ab initio tensor network state methods adapted for NVIDIA Blackwell technology via emulated FP64 arithmetic

Cole Brower, Samuel Rodriguez Bernabeu, Jeff Hammond +5

We report cutting-edge performance results via mixed-precision spin adapted ab initio Density Matrix Renormalization Group (DMRG) electronic structure calculations utilizing the Oz…

cs.DC2025

Optimizing Data Distribution and Kernel Performance for Efficient Training of Chemistry Foundation Models: A Case Study with MACE

Jesun Firoz, Franco Pellegrini, Mario Geiger +17

Chemistry Foundation Models (CFMs) that leverage Graph Neural Networks (GNNs) operating on 3D molecular graph structures are becoming indispensable tools for computational chemists…

physics.chem-ph2025★ 1 cited

Orbital optimization of large active spaces via AI-accelerators

Örs Legeza, Andor Menczer, Ádám Ganyecz +6

We present an efficient orbital optimization procedure that combines the highly GPU accelerated, spin-adapted density matrix renormalization group (DMRG) method with the complete a…

physics.chem-ph2024★ 2 cited

Parallel implementation of the Density Matrix Renormalization Group method achieving a quarter petaFLOPS performance on a single DGX-H100 GPU node

Andor Menczer, Maarten van Damme, Alan Rask +5

We report cutting edge performance results for a hybrid CPU-multi GPU implementation of the spin adapted ab initio Density Matrix Renormalization Group (DMRG) method on current sta…

cond-mat.mtrl-sci2022★ 9 cited

Helical Organic and Inorganic Polymers

S. Hirata, Y. Shigeta, S. S. Xantheas +1

Despite being a staple of synthetic plastics and biomolecules, helical polymers are scarcely studied with Gaussian-basis-set {\it ab initio} electron-correlated methods on an equal…

cs.LG2022★ 1 cited

Extreme Acceleration of Graph Neural Network-based Prediction Models for Quantum Chemistry

Hatem Helal, Jesun Firoz, Jenna Bilbrey +5

Molecular property calculations are the bedrock of chemical physics. High-fidelity \textit{ab initio} modeling techniques for computing the molecular properties can be prohibitivel…

physics.chem-ph2022★ 6 cited

Vibrational Levels of a Generalized Morse Potential

Saad Qadeer, Garrett D. Santis, Panos Stinis +1

A Generalized Morse Potential (GMP) is an extension of the Morse Potential (MP) with an additional exponential term and an additional parameter that compensate for MP's erroneous b…

physics.chem-ph2021★ 23 cited

The Effect of Geometry, Spin and Orbital Optimization in Achieving Accurate, Fully-Correlated Results for Iron-Sulfur Cubanes

Carlos Mejuto-Zaera, Demeter Tzeli, David Williams-Young +6

Iron-sulfur clusters comprise an important functional motif of the catalytic centers of biological systems, capable of enabling important chemical transformations at ambient condit…

cs.LG2020

HydroNet: Benchmark Tasks for Preserving Intermolecular Interactions and Structural Motifs in Predictive and Generative Models for Molecular Data

Sutanay Choudhury, Jenna A. Bilbrey, Logan Ward +5

Intermolecular and long-range interactions are central to phenomena as diverse as gene regulation, topological states of quantum materials, electrolyte transport in batteries, and…

physics.chem-ph2020

Massively parallel quantum chemical density matrix renormalization group method

Jiří Brabec, Jan Brandejs, Karol Kowalski +3

We present, to the best of our knowlegde, the first attempt to exploit the supercomputer platform for quantum chemical density matrix renormalization group (QC-DMRG) calculations.…