Quantum 8, 1558 (2024). https://doi.org/10.22331/q-2024-12-10-1558 Quantum signal processing (QSP) represents a real scalar polynomial of degree $d$ using a product of unitary matrices of size $2times 2$, parameterized by $(d+1)$ real numbers called the phase […]
Quantum 8, 1557 (2024). https://doi.org/10.22331/q-2024-12-10-1557 Quantum state preparation plays a crucial role in several areas of quantum information science, in applications such as quantum simulation, quantum metrology and quantum computing. However, typically state preparation requires […]
Quantum 8, 1556 (2024). https://doi.org/10.22331/q-2024-12-10-1556 Error-mitigation techniques such as probabilistic error cancellation and zero-noise extrapolation benefit from accurate noise models. The sparse Pauli-Lindblad noise model is one of the most successful models for those applications. […]
Yesterday I arrived in Santa Clara for the Q2B (Quantum 2 Business) conference, which starts this morning, and where I’ll be speaking Thursday on “Quantum Algorithms in 2024: How Should We Feel?” and also closing […]
Quantum 8, 1555 (2024). https://doi.org/10.22331/q-2024-12-10-1555 Quantum sensors offer control flexibility during estimation by allowing manipulation by the experimenter across various parameters. For each sensing platform, pinpointing the optimal controls to enhance the sensor’s precision remains […]
Insider Brief: A Quantum Machines and Rigetti Computing joint challenge oversaw the use of AI for automating the calibration of a 9-qubit Rigetti Novera QPU, reducing the manual effort required for this process. Quantum Elements […]
Insider Brief Infleqtion demonstrated the first materials science application powered by logical qubits, achieving a 6x boost in computational accuracy using the NVIDIA CUDA-Q platform. This milestone highlights the potential of neutral atom quantum computing […]
Insider Brief: Pasqal and Riverlane announced a partnership to advance fault-tolerant quantum computing, integrating Pasqal’s neutral atom platform with Riverlane’s Deltaflow quantum error correction stack. Deltaflow is designed to detect and correct errors in quantum […]
Quantum 8, 1554 (2024). https://doi.org/10.22331/q-2024-12-10-1554 The parity mapping provides a geometrically local encoding of the Quantum Approximate Optimization Algorithm (QAOA), at the expense of having a quadratic qubit overhead for all-to-all connected problems. In this […]
Quantum 8, 1553 (2024). https://doi.org/10.22331/q-2024-12-10-1553 How well can quantum computers simulate classical dynamical systems? There is increasing effort in developing quantum algorithms to efficiently simulate dynamics beyond Hamiltonian simulation, but so far exact resource estimates […]
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