Resources

Publications

  • Effect of Nonunital Noise on Random-Circuit Sampling

    Author(s): Bill Fefferman, Soumik Ghosh, Michael Gullans, Kohdai Kuroiwa, and Kunal Sharma Realistic nonunital noise models are studied in the context of random quantum circuit experiments, imposing new constraints on near-term quantum advantage experiments. [PRX Quantum 5, 030317] Published Fri Jul 26, 2024

  • Iterative Assembly of ${}^{171}$$\mathrm{Yb}$ Atom Arrays with Cavity-Enhanced Optical Lattices

    Author(s): M. A. Norcia et al. A new approach to assembling and maintaining arrays of ytterbium atoms combines the strengths of optical tweezers and optical lattices to enable larger atom arrays with defect repair by atom replacement. [PRX Quantum 5, 030316] Published Thu Jul 25, 2024

  • High-Fidelity, Multiqubit Generalized Measurements with Dynamic Circuits

    Author(s): Petr Ivashkov, Gideon Uchehara, Liang Jiang, Derek S. Wang, and Alireza Seif A novel, hybridized method for generalized quantum measurements demonstrates improved resource scaling and fidelity on near-term quantum hardware. [PRX Quantum 5, 030315] Published Wed Jul 24, 2024

  • Symmetry Breaking in Geometric Quantum Machine Learning in the Presence of Noise

    Author(s): Cenk Tüysüz, Su Yeon Chang, Maria Demidik, Karl Jansen, Sofia Vallecorsa, and Michele Grossi The impact of hardware noise on the capabilities of equivariant quantum neural networks is explored, and strategies for mitigation are addressed. [PRX Quantum 5, 030314] Published Tue Jul 23, 2024

  • Quantum Lego Expansion Pack: Enumerators from Tensor Networks

    Author(s): ChunJun Cao, Michael J. Gullans, Brad Lackey, and Zitao Wang A tensor-network approach significantly improves the efficiency of computing the quantum weight-enumerator polynomials, thereby pushing enumerators to quantum error-correction codes that contain hundreds of qubits. [PRX Quantum 5, 030313] Published Mon Jul 22, 2024

  • Quadrature Squeezing Enhances Wigner Negativity in a Mechanical Duffing Oscillator

    Author(s): Christian A. Rosiek, Massimiliano Rossi, Albert Schliesser, and Anders S. Sørensen Motional squeezing is shown to enhance Wigner negativity in quantum states of anharmonic mechanical oscillators, opening the way for experimental control that is more robust against decoherence. [PRX Quantum 5, 030312] Published Fri Jul 19, 2024

  • Probing Postmeasurement Entanglement without Postselection

    Author(s): Samuel J. Garratt and Ehud Altman A novel approach shows that cross-correlations between classical and quantum simulations can be used to observe measurement-induced collective phenomena without postselection. [PRX Quantum 5, 030311] Published Thu Jul 18, 2024
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