Quantum dynamics in frustrated Ising fullerenes
Alejandro Lopez-Bezanilla, William Bernoudy, Kelly Boothby, Jack Raymond, Alberto Nocera, Andrew D. King · 2026
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Description
Alejandro Lopez-Bezanilla and colleagues use frustrated magnets shaped like fullerene cages to stress-test quantum annealers. Their 2026 study builds Ising models on these closed carbon-like shapes, where magnetic moments cannot all please their neighbors at once, leaving a huge set of equally good layouts. Quantum fluctuations must do the choosing.
The team saw quantum swings lift that tie, favoring certain coherent setups through tunneling between states. Since the models have no edges and high symmetry, they make clean test cases for quantum hardware. Scores rose sharply across successive generations of superconducting annealers on these problems. The authors argue that hitting the shared ground state exactly is where quantum rigs prove themselves. Frustrated cages, they conclude, offer a sharp benchmark for the young field.
Catalog record
| CREATOR | Alejandro Lopez-Bezanilla, William Bernoudy, Kelly Boothby, Jack Raymond, Alberto Nocera, Andrew D. King |
|---|---|
| YEAR | 2026 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 44685 |
| LICENSE | https://creativecommons.org/licenses/by/4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |