Helped establish quantum annealing as an approach to optimization, using statistical physics to investigate how quantum fluctuations guide systems through difficult energy landscapes.
arXivarXivNishimori connects quantum computation with the statistical mechanics of complex systems. His work with Tadashi Kadowaki introduced quantum annealing in a transverse-field Ising model, making quantum fluctuations a controllable ingredient in optimization. Later research with Yuya Seki investigated how changing those fluctuations can alter the phase transitions that obstruct an annealing process. These results provide concepts and testable models for an important computing approach. They do not establish a universal speedup over classical optimization methods.
Institute of Science TokyoarXivarXivThe work behind the recognition
Work, in context- 1998
Proposing quantum annealing
With Tadashi Kadowaki, introduced quantum annealing in a transverse Ising model and compared its behavior numerically with thermal annealing on small systems.
Coauthor with Tadashi Kadowaki of the transverse-Ising quantum-annealing proposal.
Source-supported recordarXiv - 2012
Changing the annealing landscape
With Yuya Seki, investigated antiferromagnetic quantum fluctuations that can avoid first-order transitions in selected infinite-range spin models, identifying a possible route to improved annealing.
Coauthor with Yuya Seki of the model-specific annealing analysis.
Source-supported recordarXiv
Keep in perspective
Annealing advantages depend on the problem and physical model; no general computational advantage is asserted.
The evidence map
Both views link each contribution to its sources. Choose a contribution on the map or read them all in the list.
Proposing quantum annealing
Quantum Annealing in the Transverse Ising Model
Supports: Coauthorship, quantum annealing proposal and model comparison
Published 25 Apr 1998 · Checked 19 Sept 2026Credit & limits: Coauthor with Tadashi Kadowaki of the transverse-Ising quantum-annealing proposal.
Read the full contribution| Contribution | Evidence & what it supports | Credit & limits |
|---|---|---|
| Proposing quantum annealing1998 | Primary paperQuantum Annealing in the Transverse Ising Model Coauthorship, quantum annealing proposal and model comparison Published 25 Apr 1998 · Checked 19 Sept 2026 | Coauthor with Tadashi Kadowaki of the transverse-Ising quantum-annealing proposal. |
| Changing the annealing landscape2012 | Primary paperQuantum annealing with antiferromagnetic fluctuations Coauthorship and model-specific transition analysis Published 12 Mar 2012 · Checked 19 Sept 2026 | Coauthor with Yuya Seki of the model-specific annealing analysis. |
Follow the evidence
3 sourcesPrimary papers, institutional records and attributed announcements. Each source supports the claims linked above.
- Institute of Science TokyoInstitutional record
NHK World’s program Science View introduces Professor Hidetoshi Nishimori
Current professor and academy head identification; origin of quantum annealing
Published 8 Dec 2025 · Checked 19 Sept 2026 - arXivPrimary paper
Quantum Annealing in the Transverse Ising Model
Coauthorship, quantum annealing proposal and model comparison
Published 25 Apr 1998 · Checked 19 Sept 2026 - arXivPrimary paper
Quantum annealing with antiferromagnetic fluctuations
Coauthorship and model-specific transition analysis
Published 12 Mar 2012 · Checked 19 Sept 2026