Oak Ridge National Laboratory, Cleveland Clinic model chemistry of fusion reactor material
Research
Rafi Letzter
Quantum Information Science
Quantum computing represents a paradigm shift in the types of problems we can solve. Getting it right requires deep understanding of the underlying theory. We’re exploring the fundamentals of quantum science, from entanglement and superposition to the development of novel quantum algorithms.
Our work
Explore next-gen quantum algorithms with IBM Quantum Credits
ResearchRobert Davis and Sieglinde PfaendlerAllstate shows how quantum computing could help build better insurance portfolios
ResearchRafi Letzter and Abhijit MitraThe future of quantum takes center stage at NY Tech Week
NewsPeter HessHow researchers built a record-setting quantum circuit
ResearchRobert DavisResearchers use quantum-centric supercomputing to simulate 12,635-atom protein complex
NewsRafi Letzter- See more of our work on Quantum Information Science
Publications
Imaginary Time Spectral Transforms for Excited State Preparation
- 2026
- PRResearch
PaperEfficient Quantum Gibbs Sampling with Local Circuits
- Dominik Hahn
- Ryan Sweke
- et al.
- 2026
- PRX Quantum
PaperQuantum chemistry with provable convergence via randomized sample-based quantum diagonalization
- 2026
- APS Global Physics Summit 2026
TalkPreparing 100-site gapped ground states of the XXZ model and the bond-alternating Heisenberg model on quantum hardware
- George Pennington
- Kevin Smith
- et al.
- 2026
- APS Global Physics Summit 2026
TalkSample-based Quantum Diagonalization Methods for Modeling the Photon-excited States in Diazirine and Diazo Compounds
- Saurabh Shivpuje
- Tanvi Gujarati
- et al.
- 2026
- APS Global Physics Summit 2026
TalkImproved belief propagation is sufficient for real-time decoding of quantum memory
- Tristan Müller
- Thomas Alexander
- et al.
- 2026
- APS Global Physics Summit 2026
Talk