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Nonequilibrium Spin-Glass Order in a Long-Range Quantum Ising Glass and Its Sensitivity to Noise

  • Giuseppe D'Auria
  • Alessandro Silva
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Abstract

We study spin-glass order after a transverse-field quench in a long-range quantum Ising glass. The diagonal-ensemble Edwards-Anderson order coincides at the no-quench and zero-field endpoints, yet in between cold shells overshoot it and hot shells undershoot it. This stems from a competition in correlation space between the rigidity of populated eigenstates and the spread of their pair patterns. Under weak longitudinal dephasing the zero-field endpoint is exactly pinned while the characteristic finite-quench response fades, giving a self-referenced noise probe for quantum spin simulators.

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Cite

BibTeXRIS
BibTeX
@misc{dauria2026nonequilibrium,
  title = {{Nonequilibrium Spin-Glass Order in a Long-Range Quantum Ising Glass and Its Sensitivity to Noise}},
  author = {Giuseppe D'Auria and Alessandro Silva},
  howpublished = {arXiv},
  year = {2026},
  month = nov,
  doi = {10.48550/arxiv.2611.07115},
  eprint = {2611.07115},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2611.07115},
}
RIS
TY  - UNPB
TI  - Nonequilibrium Spin-Glass Order in a Long-Range Quantum Ising Glass and Its Sensitivity to Noise
AU  - Giuseppe D'Auria
AU  - Alessandro Silva
PY  - 2026
DA  - 2026/11/04
PB  - arXiv
DO  - 10.48550/arxiv.2611.07115
UR  - https://arxiv.org/abs/2611.07115
AB  - We study spin-glass order after a transverse-field quench in a long-range quantum Ising glass. The diagonal-ensemble Edwards-Anderson order coincides at the no-quench and zero-field endpoints, yet in between cold shells overshoot it and hot shells undershoot it. This stems from a competition in correlation space between the rigidity of populated eigenstates and the spread of their pair patterns. Under weak longitudinal dephasing the zero-field endpoint is exactly pinned while the characteristic finite-quench response fades, giving a self-referenced noise probe for quantum spin simulators.
ER  -