Quantum 9, 1768 (2025). https://doi.org/10.22331/q-2025-06-12-1768 We show that using qutrits rather than qubits leads to a substantial reduction in the overhead cost associated with an approach to fault-tolerant quantum computing known as magic state distillation. […]
Quantum 9, 1767 (2025). https://doi.org/10.22331/q-2025-06-12-1767 Logical qubits can be protected against environmental noise by encoding them into a highly entangled state of many physical qubits and actively intervening in the dynamics with stabilizer measurements. In […]
Quantum 9, 1766 (2025). https://doi.org/10.22331/q-2025-06-05-1766 Estimating many-body Hamiltonians has wide applications in quantum technology. By allowing coherent evolution of quantum systems and entanglement across multiple probes, the precision of estimating a fully connected $k$-body interaction […]
Quantum 9, 1765 (2025). https://doi.org/10.22331/q-2025-06-05-1765 The rapid development of quantum computers has enabled demonstrations of quantum advantages on various tasks. However, real quantum systems are always dissipative due to their inevitable interaction with the environment, […]
Quantum 9, 1764 (2025). https://doi.org/10.22331/q-2025-06-04-1764 Simulation of physical systems is one of the most promising use cases of future digital quantum computers. In this work we systematically analyze the quantum circuit complexities of block encoding […]
Quantum 9, 1763 (2025). https://doi.org/10.22331/q-2025-06-04-1763 Tomographic reconstruction of quantum states plays a fundamental role in benchmarking quantum systems and accessing information encoded in quantum-mechanical systems. Among the informationally complete sets of quantum measurements, the tight […]
Quantum 9, 1762 (2025). https://doi.org/10.22331/q-2025-06-04-1762 We adopt a method of the quantum gate teleportation for converting circuit-based quantum computation primitives into fusion networks. By using the presented scheme for the CNOT gate we construct translation […]
Quantum 9, 1761 (2025). https://doi.org/10.22331/q-2025-06-04-1761 In the realm of computational science and engineering, constructing models that reflect real-world phenomena requires solving partial differential equations (PDEs) with different conditions. Recent advancements in neural operators, such as […]
Quantum 9, 1760 (2025). https://doi.org/10.22331/q-2025-06-04-1760 Bell tests have become a powerful tool for quantifying security, randomness, entanglement, and many other properties, as well as for investigating fundamental physical limits. In all these cases, the specific […]
Quantum 9, 1759 (2025). https://doi.org/10.22331/q-2025-06-04-1759 Pseudorandom quantum states (PRSs) and pseudorandom unitaries (PRUs) possess the dual nature of being efficiently constructible while appearing completely random to any efficient quantum algorithm. In this study, we establish […]
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