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Unwanted $ZZ$ interaction is a quantum-mechanical crosstalk phenomenon which correlates qubit dynamics and is ubiquitous in superconducting qubit systems.
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2019
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2019
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2020
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2021
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A. H. Karamlou, W. A. Simon, A. Katabarwa, T. L. Scholten, B. Peropadre, and Y. Cao, “Analyzing the performance of variational quantum factoring on a superconducting quantum processor,” npj Quantum Inf. 7
2021
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2021
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S. Krinner, S. Lazar, A. Remm, C. Andersen, N. Lacroix, G. Norris, C. Hellings, M. Gabureac, C. Eichler, and A. Wallraff, “Benchmarking Coherent Errors in Controlled-Phase Gates due to Spectator Qubits,” Phys. Rev. Applied 14
2020
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U. von Lüpke, F. Beaudoin, L. M. Norris, Y. Sung, R. Winik, J. Y. Qiu, M. Kjaergaard, D. Kim, J. Yoder, S. Gustavsson, L. Viola, and W. D. Oliver, “Two-Qubit Spectroscopy of Spatiotemporally Correlated Quantum Noise in Superconducting Qubits,” PRX Quantum 1
2020
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2020
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C. C. Bultink, T. E. O’Brien, R. Vollmer, N. Muthusubramanian, M. W. Beekman, M. A. Rol, X. Fu, B. Tarasinski, V. Ostroukh, B. Varbanov, A. Bruno, and L. DiCarlo, “Protecting quantum entanglement from leakage and qubit errors via repetitive parity measurements,” Sci. Adv. 6
2020
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C. K. Andersen, A. Remm, S. Lazar, S. Krinner, N. Lacroix, G. J. Norris, M. Gabureac, C. Eichler, and A. Wallraff, “Repeated quantum error detection in a surface code,” Nat. Phys. 16
2020
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M. C. Collodo, J. Herrmann, N. Lacroix, C. K. Andersen, A. Remm, S. Lazar, J.-C. Besse, T. Walter, A. Wallraff, and C. Eichler, “Implementation of Conditional Phase Gates Based on Tunable Z Z ZZ Interactions,” Phys. Rev. Lett. 125
2020
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Y. Xu, J. Chu, J. Yuan, J. Qiu, Y. Zhou, L. Zhang, X. Tan, Y. Yu, S. Liu, J. Li, F. Yan, and D. Yu, “High-Fidelity, High-Scalability Two-Qubit Gate Scheme for Superconducting Qubits,” Phys. Rev. Lett. 125
2020
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P. Zhao, P. Xu, D. Lan, J. Chu, X. Tan, H. Yu, and Y. Yu, “High-Contrast Z Z ZZ Interaction Using Superconducting Qubits with Opposite-Sign Anharmonicity,” Phys. Rev. Lett. 125
2020
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X. Xu and M. Ansari, “ z z zz freedom in two-qubit gates,” Phys. Rev. Applied 15
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A. Kandala, K. X. Wei, S. Srinivasan, E. Magesan, S. Carnevale, G. A. Keefe, D. Klaus, O. Dial, and D. C. McKay, “Demonstration of a High-Fidelity cnot Gate for Fixed-Frequency Transmons with Engineered Z Z ZZ Suppression,” Phys. Rev. Lett. 127
2021
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P. Zhao, D. Lan, P. Xu, G. Xue, M. Blank, X. Tan, H. Yu, and Y. Yu, “Suppression of Static Z Z ZZ Interaction in an All-Transmon Quantum Processor,” Phys. Rev. Applied 16
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E. A. Sete, N. Didier, A. Q. Chen, S. Kulshreshtha, R. Manenti, and S. Poletto, “Parametric-Resonance Entangling Gates with a Tunable Coupler,” Phys. Rev. Applied 16
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P. Jurcevic, A. Javadi-Abhari, L. S. Bishop, I. Lauer, D. F. Bogorin, M. Brink, L. Capelluto, et al. , “Demonstration of quantum volume 64 on a superconducting quantum computing system,” Quantum Sci. Technol. 6
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