{"id":520522,"date":"2026-04-09T00:31:14","date_gmt":"2026-04-09T00:31:14","guid":{"rendered":"https:\/\/www.newsbeep.com\/uk\/520522\/"},"modified":"2026-04-09T00:31:14","modified_gmt":"2026-04-09T00:31:14","slug":"protected-quantum-gates-using-qubit-doublons-in-dynamical-optical-lattices","status":"publish","type":"post","link":"https:\/\/www.newsbeep.com\/uk\/520522\/","title":{"rendered":"Protected quantum gates using qubit doublons in dynamical optical lattices"},"content":{"rendered":"

Jaksch, D., Briegel, H.-J., Cirac, J. I., Gardiner, C. W. & Zoller, P. Entanglement of atoms via cold controlled collisions. Phys. Rev. Lett. 82, 1975\u20131978 (1999).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n CAS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Brennen, G. K., Caves, C. M., Jessen, P. S. & Deutsch, I. H. Quantum logic gates in optical lattices. Phys. Rev. Lett. 82, 1060\u20131063 (1999).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n CAS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

S\u00f8rensen, A. & M\u00f8lmer, K. Spin-spin interaction and spin squeezing in an optical lattice. Phys. Rev. Lett. 83, 2274\u20132277 (1999).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Calarco, T. et al. Quantum gates with neutral atoms: controlling collisional interactions in time-dependent traps. Phys. Rev. A 61, 022304 (2000).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Hayes, D., Julienne, P. S. & Deutsch, I. H. Quantum logic via the exchange blockade in ultracold collisions. Phys. Rev. Lett. 98, 070501 (2007).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n PubMed<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Daley, A. J., Boyd, M. M., Ye, J. & Zoller, P. Quantum computing with alkaline-earth-metal atoms. Phys. Rev. Lett. 101, 170504 (2008).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n PubMed<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Weitenberg, C., Kuhr, S., M\u00f8lmer, K. & Sherson, J. F. Quantum computation architecture using optical tweezers. Phys. Rev. A 84, 032322 (2011).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Nemirovsky, J. & Sagi, Y. Fast universal two-qubit gate for neutral fermionic atoms in optical tweezers. Phys. Rev. Res. 3, 013113 (2021).<\/p>\n

Article<\/a>\u00a0
\n CAS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Zhou, Y. et al. A scheme to create and verify scalable entanglement in optical lattice. npj Quantum Inf. 8, 99 (2022).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Singh, J., Reuter, J. A.P., Calarco, T., Motzoi, F. & Zeier, R. Optimizing two-qubit gates for ultracold atoms using Fermi-Hubbard models. Phys. Rev. Appl. 24, 034007 (2025).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n CAS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Mandel, O. et al. Controlled collisions for multi-particle entanglement of optically trapped atoms. Nature 425, 937\u2013940 (2003).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n CAS<\/a>\u00a0
\n PubMed<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Anderlini, M. et al. Controlled exchange interaction between pairs of neutral atoms in an optical lattice. Nature 448, 452\u2013456 (2007).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n CAS<\/a>\u00a0
\n PubMed<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Kaufman, A. M. et al. Entangling two transportable neutral atoms via local spin exchange. Nature 527, 208\u2013211 (2015).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n CAS<\/a>\u00a0
\n PubMed<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

F\u00f6lling, S. et al. Direct observation of second-order atom tunnelling. Nature 448, 1029\u20131032 (2007).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n PubMed<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Trotzky, S., Chen, Y.-A., Schnorrberger, U., Cheinet, P. & Bloch, I. Controlling and detecting spin correlations of ultracold atoms in optical lattices. Phys. Rev. Lett. 105, 265303 (2010).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n PubMed<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Zhu, Z. et al. Splitting and connecting singlets in atomic quantum circuits. Phys. Rev. X 15, 041032 (2025).<\/p>\n

CAS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Chalopin, T. et al. Optical superlattice for engineering Hubbard couplings in quantum simulation. Phys. Rev. Lett. 134, 053402 (2025).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n CAS<\/a>\u00a0
\n PubMed<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Yang, B. et al. Cooling and entangling ultracold atoms in optical lattices. Science 369, 550\u2013553 (2020).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n CAS<\/a>\u00a0
\n PubMed<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Zhang, W.-Y. et al. Scalable multipartite entanglement created by spin exchange in an optical lattice. Phys. Rev. Lett. 131, 073401 (2023).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n CAS<\/a>\u00a0
\n PubMed<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Bojovi\u0107, P. et al. High-fidelity collisional quantum gates with fermionic atoms. Nature https:\/\/doi.org\/10.1038\/s41586-026-10356-3<\/a> (2026).<\/p>\n

Murmann, S. et al. Two fermions in a double well: exploring a fundamental building block of the Hubbard model. Phys. Rev. Lett. 114, 080402 (2015).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n PubMed<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Hartke, T., Oreg, B., Jia, N. & Zwierlein, M. Quantum register of fermion pairs. Nature 601, 537\u2013541 (2022).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n CAS<\/a>\u00a0
\n PubMed<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Sj\u00f6qvist, E. Geometric phases in quantum information. Int. J. Quant. Chem. 115, 1311\u20131326 (2015).<\/p>\n

Article<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Duan, L.-M., Cirac, J. I. & Zoller, P. Geometric manipulation of trapped ions for quantum computation. Science 292, 1695\u20131697 (2001).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n CAS<\/a>\u00a0
\n PubMed<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Desbuquois, R. et al. Controlling the Floquet state population and observing micromotion in a periodically driven two-body quantum system. Phys. Rev. A 96, 053602 (2017).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Burkard, G., Ladd, T. D., Pan, A., Nichol, J. M. & Petta, J. R. Semiconductor spin qubits. Rev. Mod. Phys. 95, 025003 (2023).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n CAS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Hu, X. & Das Sarma, S. Gate errors in solid-state quantum-computer architectures. Phys. Rev. A 66, 012312 (2002).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Kaplan, T. A. & Piermarocchi, C. Spin swap versus double occupancy in quantum gates. Phys. Rev. B 70, 161311 (2004).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Auerbach, A. Interacting Electrons and Quantum Magnetism (Springer, 1994).<\/p>\n

Vitanov, N. V., Rangelov, A. A., Shore, B. W. & Bergmann, K. Stimulated Raman adiabatic passage in physics, chemistry, and beyond. Rev. Mod. Phys. 89, 015006 (2017).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Aharonov, Y. & Anandan, J. Phase change during a cyclic quantum evolution. Phys. Rev. Lett. 58, 1593\u20131596 (1987).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n MathSciNet<\/a>\u00a0
\n CAS<\/a>\u00a0
\n PubMed<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Greif, D., Uehlinger, T., Jotzu, G., Tarruell, L. & Esslinger, T. Short-range quantum magnetism of ultracold fermions in an optical lattice. Science 340, 1307\u20131310 (2013).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n CAS<\/a>\u00a0
\n PubMed<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Chin, C., Grimm, R., Julienne, P. & Tiesinga, E. Feshbach resonances in ultracold gases. Rev. Mod. Phys. 82, 1225\u20131286 (2010).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n CAS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Kasevich, M. & Chu, S. Laser cooling below a photon recoil with three-level atoms. Phys. Rev. Lett. 69, 1741\u20131744 (1992).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n CAS<\/a>\u00a0
\n PubMed<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Fern\u00e1ndez, P. & Martin-Delgado, M. A. Implementing the Grover algorithm in homomorphic encryption schemes. Phys. Rev. Res. 6, 043109 (2024).<\/p>\n

Article<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Andersen, C. K. & Greplov\u00e1, E. Small quantum low parity density check codes for near-term experiments. Preprint at https:\/\/doi.org\/10.48550\/arXiv.2507.09690<\/a> (2025).<\/p>\n

Tan, B. & Cong, J. Optimal layout synthesis for quantum computing. In Proc. 39th International Conference on Computer-Aided Design pp. 1\u20139 (ACM, 2020).<\/p>\n

Camps, D., Van Beeumen, R. & Yang, C. Quantum Fourier transform revisited. Numer. Linear Algebra Appl. 28, e2331 (2021).<\/p>\n

Article<\/a>\u00a0
\n MathSciNet<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Blekos, K. et al. A review on quantum approximate optimization algorithm and its variants. Phys. Rep. 1068, 1\u201366 (2024).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n MathSciNet<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Evered, S. J. et al. High-fidelity parallel entangling gates on a neutral-atom quantum computer. Nature 622, 268\u2013272 (2023).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n CAS<\/a>\u00a0
\n PubMed<\/a>\u00a0
\n PubMed Central<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Rines, R. et al. Demonstration of a logical architecture uniting motion and in-place entanglement: Shor\u2019s algorithm, constant-depth CNOT ladder, and many-hypercube code. Preprint at arxiv.org\/abs\/2509.13247<\/a> (2025).<\/p>\n

Peper, M. et al. Spectroscopy and modeling of 171Yb Rydberg states for high-fidelity two-qubit gates. Phys. Rev. X 15, 011009 (2025).<\/p>\n

CAS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Muniz, J. A. et al. High-fidelity universal gates in the 171Yb ground-state nuclear-spin qubit. PRX Quantum 6, 020334 (2025).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Senoo, A. et al. High-fidelity entanglement and coherent multi-qubit mapping in an atom array. Preprint at arxiv.org\/abs\/2506.13632<\/a> (2025).<\/p>\n

Bravyi, S. B. & Kitaev, A. Y. Fermionic quantum computation. Ann. Phys. 298, 210\u2013226 (2002).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n MathSciNet<\/a>\u00a0
\n CAS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Gonz\u00e1lez-Cuadra, D. et al. Fermionic quantum processing with programmable neutral atom arrays. Proc. Natl Acad. Sci. USA 120, e2304294120 (2023).<\/p>\n

Article<\/a>\u00a0
\n MathSciNet<\/a>\u00a0
\n PubMed<\/a>\u00a0
\n PubMed Central<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Zhu, C. et al. Quantum compiler design for qubit mapping and routing: a cross-architectural survey of superconducting, trapped-ion, and neutral atom systems. Preprint at arxiv.org\/abs\/2505.16891<\/a> (2025).<\/p>\n

Zhou, Y.-C. et al. High-fidelity geometric quantum gates exceeding 99.9% in germanium quantum dots. Nat. Commun. 16, 7953 (2025).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n CAS<\/a>\u00a0
\n PubMed<\/a>\u00a0
\n PubMed Central<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Chiu, C.-K., Teo, J. C., Schnyder, A. P. & Ryu, S. Classification of topological quantum matter with symmetries. Rev. Mod. Phys. 88, 035005 (2016).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Neef, V., Heinrich, M., Wolterink, T. A. W. & Szameit, A. Pairing particles into holonomies. Sci. Adv. 12, eady3856 (2026).<\/p>\n

Article<\/a>\u00a0
\n CAS<\/a>\u00a0
\n PubMed<\/a>\u00a0
\n PubMed Central<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Walter, A.-S. et al. Quantization and its breakdown in a Hubbard-Thouless pump. Nat. Phys. 19, 1471\u20131475 (2023).<\/p>\n

Article<\/a>\u00a0
\n CAS<\/a>\u00a0
\n PubMed<\/a>\u00a0
\n PubMed Central<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Xu, M. et al. A neutral-atom Hubbard quantum simulator in the cryogenic regime. Nature 642, 909\u2013915 (2025).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n CAS<\/a>\u00a0
\n PubMed<\/a>\u00a0
\n PubMed Central<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Kiefer, Y. et al. Dataset for \u201cProtected quantum gates using qubit doublons in dynamical optical lattices\u201d. https:\/\/doi.org\/10.3929\/ethz-c-000794455<\/a> (ETH Research Collection, 2026).<\/p>\n","protected":false},"excerpt":{"rendered":"Jaksch, D., Briegel, H.-J., Cirac, J. I., Gardiner, C. W. & Zoller, P. Entanglement of atoms via cold…\n","protected":false},"author":2,"featured_media":520523,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[24],"tags":[4230,4231,2302,4835,90,12668,56,30212,54,55],"class_list":{"0":"post-520522","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-physics","8":"tag-humanities-and-social-sciences","9":"tag-multidisciplinary","10":"tag-physics","11":"tag-quantum-information","12":"tag-science","13":"tag-topological-matter","14":"tag-uk","15":"tag-ultracold-gases","16":"tag-united-kingdom","17":"tag-unitedkingdom"},"_links":{"self":[{"href":"https:\/\/www.newsbeep.com\/uk\/wp-json\/wp\/v2\/posts\/520522","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.newsbeep.com\/uk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.newsbeep.com\/uk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/uk\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/uk\/wp-json\/wp\/v2\/comments?post=520522"}],"version-history":[{"count":0,"href":"https:\/\/www.newsbeep.com\/uk\/wp-json\/wp\/v2\/posts\/520522\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/uk\/wp-json\/wp\/v2\/media\/520523"}],"wp:attachment":[{"href":"https:\/\/www.newsbeep.com\/uk\/wp-json\/wp\/v2\/media?parent=520522"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.newsbeep.com\/uk\/wp-json\/wp\/v2\/categories?post=520522"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.newsbeep.com\/uk\/wp-json\/wp\/v2\/tags?post=520522"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}