Quantum 6, 632 (2022). https://doi.org/10.22331/q-2022-01-24-632 Quantum error correction procedures have the potential to enable faithful operation of large-scale quantum computers. They protect information from environmental decoherence by storing it in logical qubits, built from ensembles […]
Quantum 6, 631 (2022). https://doi.org/10.22331/q-2022-01-24-631 Quantum circuits that are classically simulatable tell us when quantum computation becomes less powerful than or equivalent to classical computation. Such classically simulatable circuits are of importance because they illustrate […]
Quantum 6, 630 (2022). https://doi.org/10.22331/q-2022-01-24-630 The study of the impact of noise on quantum circuits is especially relevant to guide the progress of Noisy Intermediate-Scale Quantum (NISQ) computing. In this paper, we address the pulse-level […]
Quantum 6, 629 (2022). https://doi.org/10.22331/q-2022-01-24-629 Programmable arrays of hundreds of Rydberg atoms have recently enabled the exploration of remarkable phenomena in many-body quantum physics. In addition, the development of high-fidelity quantum gates are making them […]
Quantum 6, 628 (2022). https://doi.org/10.22331/q-2022-01-24-628 We explore a method for automatically recompiling a quantum circuit $mathcal{A}$ into a target circuit $mathcal{B}$, with the goal that both circuits have the same action on a specific input […]
Quantum 6, 627 (2022). https://doi.org/10.22331/q-2022-01-20-627 A promising application of neural-network quantum states is to describe the time dynamics of many-body quantum systems. To realize this idea, we employ neural-network quantum states to approximate the implicit […]
Quantum 6, 626 (2022). https://doi.org/10.22331/q-2022-01-20-626 The characterization of mixtures of non-interacting, spectroscopically similar quantum components has important applications in chemistry, biology, and materials science. We introduce an approach based on quantum tracking control that allows […]
Quantum 6, 625 (2022). https://doi.org/10.22331/q-2022-01-20-625 We give a quantum speedup for solving the canonical semidefinite programming relaxation for binary quadratic optimization. This class of relaxations for combinatorial optimization has so far eluded quantum speedups. Our […]
This year Quantum will celebrate 5 years since the first publications! From that first batch of papers, the journal grew to over 600 published articles. This growth was made possible by our incredible team of editors, […]
Quantum 6, 624 (2022). https://doi.org/10.22331/q-2022-01-18-624 Quenching and annealing are extreme opposites in the time evolution of a quantum system: Annealing explores equilibrium phases of a Hamiltonian with slowly changing parameters and can be exploited as […]
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