Zobrazeno 1 - 10
of 177
pro vyhledávání: '"XU Xuexin"'
Publikováno v:
智慧农业, Vol 4, Iss 4, Pp 61-73 (2022)
Soil salinization in the Yellow River Delta is a difficult and miscellaneous disease to restrict the development of agricultural economy, and further hinders agricultural production. To explore the retrieval of soil salt content from remote sensing i
Externí odkaz:
https://doaj.org/article/b790612d54c047dd944ebbbfa7cc3f92
Autor:
ZHAO Jinke, XU Xuexin, QU Wenkai, LIU Shuai, XU Yufan, MENG Fangang, JIA Jing, ZHAO Changxing
Publikováno v:
Guan'gai paishui xuebao, Vol 41, Iss 9, Pp 43-51 (2022)
【Objective】 Crop growth and its ultimate yield depend not only on irrigation and fertilization amounts but also on the timing of their application. Taking winter wheat as an example, this paper investigates how irrigating and nitrogen-fertilizing
Externí odkaz:
https://doaj.org/article/621d50c0407d4932bed4a9bc51016af1
Autor:
Xu, Xuexin
Superconducting qubits are among the most promising candidates for building quantum computers. Despite significant improvements in qubit coherence, achieving a fault-tolerant quantum computer remains a major challenge, largely due to imperfect gate f
Externí odkaz:
http://arxiv.org/abs/2407.08318
Publikováno v:
Phys. Rev. Applied 22, 064030 (2024)
Developing Hamiltonian models for quantum processors with many qubits on the same chip is crucial for advancing quantum computing technologies. Stray couplings between qubits lead to errors in gate operations. This study underscores the importance of
Externí odkaz:
http://arxiv.org/abs/2402.09145
Autor:
Xu, Xuexin, Ansari, M.
In two-qubit gates activated by microwave pulses, by turning pulse on or off, the state of qubits are swapped between entangled or idle modes. In either mode, the presence of stray couplings makes qubits accumulate coherent phase error. However, the
Externí odkaz:
http://arxiv.org/abs/2212.05519
Autor:
Xu, Xuexin, Ansari, M. H.
We propose a gate to switch superconducting qubit pairs in and out of a two-body interaction. This gate uses cross resonance driving on a tunable circuit with adjusted parameters and without accumulating residual ZZ interaction for idle and interacti
Externí odkaz:
http://arxiv.org/abs/2202.05208
Autor:
Xu, Xuexin, Ansari, M. H.
Publikováno v:
Phys. Rev. Applied 15, 064074 (2021)
Superconducting qubits on a circuit exhibit an always-on state-dependent phase error. This error is due to sub-MHz parasitic interaction that repels computational levels from non-computational ones. We study a general theory to evaluate the `static'
Externí odkaz:
http://arxiv.org/abs/2009.00485
Autor:
Ku, Jaseung, Xu, Xuexin, Brink, Markus, McKay, David C., Hertzberg, Jared B., Ansari, Mohammad H., Plourde, B. L. T.
Publikováno v:
Phys. Rev. Lett. 125, 200504 (2020)
Mitigating crosstalk errors, whether classical or quantum mechanical, is critically important for achieving high-fidelity entangling gates in multi-qubit circuits. For weakly anharmonic superconducting qubits, unwanted $ZZ$ interactions can be suppre
Externí odkaz:
http://arxiv.org/abs/2003.02775
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