Resources

Publications

  • Beyond Belief Propagation: Cluster-Corrected Tensor Network Contraction with Exponential Convergence

    Author(s): Siddhant Midha and Yifan F. Zhang Systematic corrections to belief propagation enable polynomial-time tensor network contraction algorithms while providing rigorous bounds on approximation errors. [PRX Quantum 7, 033010] Published Thu Jul 09, 2026

  • Quantum Science with Arrays of Metastable Helium-3 Atoms

    Author(s): Zheyuan Li, Rupsa De, Rishi Sivakumar, William Huie, Hao-Tian Wei, Justin D. Piel, Chris H. Greene, Kaden R. A. Hazzard, Zoe Z. Yan, and Jacob P. Covey The small mass of helium-3 is shown to enable advantages in a variety of applications from continuous-variable quantum computing to quantum simulation of materials with tunable hopping between tweezer potentials. [PRX Quantum 7, 033011] Published Wed Jul 08, 2026

  • Accelerating Fault-Tolerant Quantum Computation with Good Quantum Low-Density Parity-Check Codes

    Author(s): Guo Zhang, Yuanye Zhu, and Ying Li Fault-tolerant quantum computation with constant qubit overhead and low time overhead is enabled by parallelized code surgery and locally testable state preparation. [PRX Quantum 7, 033012] Published Wed Jul 08, 2026

  • Fold-transversal surface code cultivation

    Author(s): Kaavya Sahay, Pei-Kai Tsai, Kathleen (Katie) Chang, Qile Su, Thomas B. Smith, Shraddha Singh, and Shruti Puri A new strategy for magic-state cultivation achieves low spacetime overhead for architectures with nonlocal connectivity. [PRX Quantum 7, 033006] Published Tue Jul 07, 2026

  • Qubit-Qudit Entanglement Transfer in Defect Centers with High-Spin Nuclei

    Author(s): Wolf-Rüdiger Hannes and Guido Burkard A universal scheme for accumulating entanglement between long-lived nuclear memory qudits via repeated entanglement transfer is proposed, paving the way for the realization of higher-dimensional quantum communication protocols. [PRX Quantum 7, 033007] Published Tue Jul 07, 2026

  • Efficient and Compact Quantum Network Node Based on a Parabolic Mirror on an Optical Chip

    Author(s): A. Safari, E. Oh, P. Huft, G. Chase, J. Zhang, and M. Saffman An in vacuo parabolic mirror with fiber in and out coupling form a compact, mechanically stable device for efficient photon extraction, enabling future quantum networking experiments with neutral atoms. [PRX Quantum 7, 033008] Published Tue Jul 07, 2026

  • Extended Rydberg Lifetimes in a Cryogenic Atom Array

    Author(s): Junlan Jin, Yue Shi, Youssef Aziz Alaoui, Jingxin Deng, Yukai Lu, Jeff D. Thompson, and Waseem S. Bakr Shielding optical tweezer arrays from ambient blackbody radiation extends Rydberg lifetimes, mitigating the dominant relaxation errors that bottleneck two-qubit gate fidelities in neutral-atom quantum computers. [PRX Quantum 7, 033009] Published Tue Jul 07, 2026
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