Gorde:
| Egile nagusia: | |
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| Formatua: | Recurso digital |
| Hizkuntza: | |
| Argitaratua: |
Zenodo
2025
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| Gaiak: | |
| Sarrera elektronikoa: | https://doi.org/10.5281/zenodo.17742007 |
| Etiketak: |
Etiketa erantsi
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Aurkibidea:
- <p>We introduce a globally driven scheme to realize and stabilize logical qubits in two-dimensional Rydberg-atom arrays using a \emph{purely geometric spiral phase} imprinted on the global drive. In mean-field and small-scale exact simulations the spiral-phase drive produces an extensive-distance, passively stabilized Floquet manifold that supports a logical encoding whose logical-$X$ symmetry is implemented via a single global $\pi$ pulse. For a 30×30 array mean-field evolution integrated with high-order time-stepping shows wavefunction fidelity $>0.9996$ after 50 periods and $>0.995$ after thousands of cycles for optimized parameters. A cross-check using exact state-vector evolution on small lattices and a noisy emulator demonstrates the logical symmetry persists beyond the mean-field limit. The protocol requires only (i) a global Rydberg dressing / drive and (ii) a weak static gradient, removing the need for individual addressing, mid-circuit measurement, or cryogenics.</p>