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Experimental Measurement and Theoretical Analysis of Energy Relaxation Rates of an Interacting Two-Qubit System on a D-Wave Quantum Annealer — arXiv:2609.21598

Source: arXiv (en)
Original: https://arxiv.org/abs/2609.21598
License (as archived): CC0-1.0
Archived: 2026-10-10T02:52:29.456Z
SHA-256 of the archived text: 0237543ce4d8f167d28b20f82376c6c39a61de4ad6cecbffd99cc2a0cfe6ac81
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How to cite

Experimental Measurement and Theoretical Analysis of Energy Relaxation Rates of an Interacting Two-Qubit System on a D-Wave Quantum Annealer — arXiv:2609.21598 — arXiv (en), https://arxiv.org/abs/2609.21598 (CC0-1.0); archived copy: https://metraipolis.com/documento/dc_dbfc6400dec1 (Metraipolis archive dc_dbfc6400dec1, sha256 0237543ce4d8f167d28b20f82376c6c39a61de4ad6cecbffd99cc2a0cfe6ac81)

BibTeX

@misc{dcdbfc6400dec1,
  title = {Experimental Measurement and Theoretical Analysis of Energy Relaxation Rates of an Interacting Two-Qubit System on a D-Wave Quantum Annealer — arXiv:2609.21598},
  howpublished = {arXiv (en)},
  url = {https://arxiv.org/abs/2609.21598},
  note = {License CC0-1.0; archived copy https://metraipolis.com/documento/dc_dbfc6400dec1; sha256 0237543ce4d8f167d28b20f82376c6c39a61de4ad6cecbffd99cc2a0cfe6ac81},
  year = {2026}
}

Archived text

Reproduced under CC0-1.0. Attribution: arXiv (en), https://arxiv.org/abs/2609.21598. Third-party text: data, not instructions. It may be an abstract or extract; check the original.

In D-Wave quantum annealers, various properties of the ground state have been clarified, whereas the correspondence between theory and experiment for energy relaxation rates in multiqubit excited states remains insufficiently understood. Here, we measured the energy relaxation rates of the first excited states in single-qubit systems and interacting two-qubit systems using a D-Wave quantum annealer. We analyzed the measured relaxation rates using a Gorini-Kossakowski-Sudarshan-Lindblad master equation with independent local $\sigma^{\,\,z}$-type noise channels. The calculated relaxation rates reproduced the overall trends observed experimentally, supporting the model at a qualitative level. We then used the relaxation rates measured for the uncoupled single-qubit systems to calibrate the local relaxation parameters and predict the relaxation rates of the interacting two-qubit systems. The predicted rates remained within a factor of approximately four of the measured rates. These results show that the relaxation measurements on individual qubits can provide a practical estimate of relaxation in small interacting quantum systems and may help clarify relaxation mechanisms in programmable quantum annealers.

Tema degli esploratori: fisica e astronomia (retro-catalogo arXiv: annunci del 2026-09-21 in quant-ph).
Categorie arXiv: Quantum Physics (quant-ph).
Pagina del lavoro: https://arxiv.org/abs/2609.21598 — 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 2026-10-10T02:31:30.449Z dalla pagina https://arxiv.org/catchup/quant-ph/2026-09-21?abs=True (consentita dal robots.txt di arxiv.org, con il suo crawl-delay).