Legeza, Örs
- Massively parallel quantum chemical density matrix renormalization group method
2020/01/14 by Brabec, Jiří, Brandejs, Jan, Kowalski, Karol +3 · 6 citations
#Chemical Physics (physics.chem-ph) #FOS: Physical sciences #Quantum Physics (quant-ph) #Strongly Correlated Electrons (cond-mat.str-el)
- Parallel implementation of the Density Matrix Renormalization Group method achieving a quarter petaFLOPS performance on a single DGX-H100 GPU node
2024/07/10 by Andor Menczer, Maarten Van Damme, Menczer, Andor +13 · 10 citations
Physics and Astronomy · #Advanced Condensed Matter Physics #Chemical Physics (physics.chem-ph) #Computational Physics (physics.comp-ph) #FOS: Physical sciences #Physics of Superconductivity and Magnetism #Strongly Correlated Electrons (cond-mat.str-el) #Theoretical and Computational Physics
- DMRG on top of plane-wave Kohn-Sham orbitals: case study of defected\n boron nitride
2020/06/08 by Gergely Barcza, Viktor Ivády, Barcza, Gergely +11 · 3 citations
Physics and Astronomy · #Advanced Chemical Physics Studies #Physics of Superconductivity and Magnetism #Quantum and electron transport phenomena
- Massively Parallel Tensor Network State Algorithms on Hybrid CPU-GPU Based Architectures
2023/05/09 by Menczer, Andor, Legeza, Örs · 4 citations
#Chemical Physics (physics.chem-ph) #Computational Physics (physics.comp-ph) #FOS: Physical sciences #Quantum Physics (quant-ph) #Strongly Correlated Electrons (cond-mat.str-el)
- Orbital optimization of large active spaces via AI-accelerators
2025/03/26 by Örs Legeza, Andor Menczer, Legeza, Örs +15 · 7 citations
Engineering · #Chemical Physics (physics.chem-ph) #FOS: Physical sciences #Space Satellite Systems and Control #Spacecraft Design and Technology #Spacecraft Dynamics and Control #Strongly Correlated Electrons (cond-mat.str-el)
- Real-Time Dynamics in a (2+1)-D Gauge Theory: The Stringy Nature on a Superconducting Quantum Simulator
2025/07/10 by Cobos, Jesús, Fraxanet, Joana, Benito, César +7 · 6 citations
#FOS: Physical sciences #High Energy Physics - Lattice (hep-lat) #High Energy Physics - Theory (hep-th) #Quantum Physics (quant-ph) #Strongly Correlated Electrons (cond-mat.str-el)
- Assessing the accuracy of tailored coupled cluster methods corrected by electronic wave functions of polynomial cost
2021/03/23 by Leszczyk, Aleksandra, Máté, Mihály, Legeza, Örs +1 · 1 citation
#Chemical Physics (physics.chem-ph) #FOS: Physical sciences #Strongly Correlated Electrons (cond-mat.str-el)
- Cost optimized ab initio tensor network state methods: industrial perspectives
2024/12/06 by Andor Menczer, Örs Legeza, Menczer, Andor +1 · 3 citations
Computer Science · #Parallel Computing and Optimization Techniques #Computational Physics and Python Applications #Matrix Theory and Algorithms
- Compressing multireference character of wave functions via fermionic mode optimization
2022/04/28 by Máté, Mihály, Petrov, Klára, Szalay, Szilárd +1 · 1 citation
#Chemical Physics (physics.chem-ph) #FOS: Physical sciences #Strongly Correlated Electrons (cond-mat.str-el)
- Mixed-precision ab initio tensor network state methods adapted for NVIDIA Blackwell technology via emulated FP64 arithmetic
2025/10/06 by Samuel Rodriguez Bernabeu, Brower, Cole, Bernabeu, Samuel Rodriguez +12 · 2 citations
Computer Science · Engineering · #Chemical Physics (physics.chem-ph) #Computational Physics (physics.comp-ph) #Computational Physics and Python Applications #FOS: Physical sciences #Power System Optimization and Stability #Strongly Correlated Electrons (cond-mat.str-el)
- Screening in Hubbard models with long-range interactions
2025/03/24 by Gebhard, Florian, Bauerbach, Kevin, Legeza, Örs · 2 citations
#FOS: Physical sciences #Strongly Correlated Electrons (cond-mat.str-el)