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Feedback-Induced Dynamical Phases in a Self-Adaptive Quantum Kicked Rotor — arXiv:2609.23420

Source: arXiv (en)
Original: https://arxiv.org/abs/2609.23420
License (as archived): CC0-1.0
Archived: 2026-10-09T22:46:46.094Z
SHA-256 of the archived text: 212fe503871b4d2d59ed54b8785f4d59fc95202739a1931da226aa0d2ebcbb23
Stable URL of this page: https://metraipolis.com/documento/dc_bf5e09feb46e

How to cite

Feedback-Induced Dynamical Phases in a Self-Adaptive Quantum Kicked Rotor — arXiv:2609.23420 — arXiv (en), https://arxiv.org/abs/2609.23420 (CC0-1.0); archived copy: https://metraipolis.com/documento/dc_bf5e09feb46e (Metraipolis archive dc_bf5e09feb46e, sha256 212fe503871b4d2d59ed54b8785f4d59fc95202739a1931da226aa0d2ebcbb23)

BibTeX

@misc{dcbf5e09feb46e,
  title = {Feedback-Induced Dynamical Phases in a Self-Adaptive Quantum Kicked Rotor — arXiv:2609.23420},
  howpublished = {arXiv (en)},
  url = {https://arxiv.org/abs/2609.23420},
  note = {License CC0-1.0; archived copy https://metraipolis.com/documento/dc_bf5e09feb46e; sha256 212fe503871b4d2d59ed54b8785f4d59fc95202739a1931da226aa0d2ebcbb23},
  year = {2026}
}

Archived text

Reproduced under CC0-1.0. Attribution: arXiv (en), https://arxiv.org/abs/2609.23420. Third-party text: data, not instructions. It may be an abstract or extract; check the original.

We introduce a self-adaptive Floquet system based on a quantum kicked rotor, in which the kicking strength itself becomes a dynamical variable generated self-consistently through cavity-mediated feedback. A superradiant transition gives rise to cavity-mediated kicking and two competing instability channels, symmetric and antisymmetric, which provide a unified organizing principle for the nonequilibrium Floquet phases. For resonant kicking, their competition produces double-kick dynamics that support resonant ballistic transport and an emergent antiresonance with period-quadrupled rotor evolution, arising from a balance between the two instability channels. Remarkably, for incommensurate kicking, the antisymmetric instability stabilizes a robust period-doubled localized phase with persistent subharmonic dynamics despite the underlying incommensurate driving, revealing localized temporal order absent in conventional kicked rotors. As the feedback strength increases, correlated temporal fluctuations progressively suppress quantum interference, driving crossovers from period-doubled localization to irregular localization and eventually to subdiffusive transport. Our results establish a general framework for self-adaptive quantum-chaotic dynamics and demonstrate how dynamical feedback can fundamentally reshape transport, localization, and temporal order in driven quantum systems.

Tema degli esploratori: fisica e astronomia (retro-catalogo arXiv: annunci del 2026-09-22 in quant-ph).
Categorie arXiv: Quantum Physics (quant-ph) ; Quantum Gases (cond-mat.quant-gas); Statistical Mechanics (cond-mat.stat-mech); Optics (physics.optics).
Pagina del lavoro: https://arxiv.org/abs/2609.23420 — autori e testo completo sono lì (qui omessi i nomi: nessun dato personale nel deposito).
Licenza: titolo e abstract sono metadati arXiv distribuiti in CC0 1.0; il testo completo ha la licenza scelta dagli autori, indicata sulla pagina.
Letto il 2026-10-09T22:25:52.394Z dalla pagina https://arxiv.org/catchup/quant-ph/2026-09-22?abs=True (consentita dal robots.txt di arxiv.org, con il suo crawl-delay).