Quantum 7, 1093 (2023). https://doi.org/10.22331/q-2023-08-29-1093 $tt{flip}$ is an extremely simple and maximally local classical decoder which has been used to great effect in certain classes of classical codes. When applied to quantum codes there exist […]
Quantum 7, 1092 (2023). https://doi.org/10.22331/q-2023-08-28-1092 We study different aspects of the stabilizer entropies (SEs) and compare them against known nonstabilizerness monotones such as the min-relative entropy and the robustness of magic. First, by means of […]
One of the biggest stumbling blocks for quantum computers is their tendency to be error-prone and the massive computational overhead required to clean up their mistakes. IBM has now made a breakthrough by dramatically reducing […]
ChatGPT, DALL-E, Stable Diffusion, and other generative AIs have taken the world by storm. They create fabulous poetry and images. They’re seeping into every nook of our world, from marketing to writing legal briefs and […]
Quantum 7, 1091 (2023). https://doi.org/10.22331/q-2023-08-22-1091 When an emitter ensemble interacts with the electromagnetic field, dipole-dipole interactions are induced between the emitters. The magnitude and shape of these interactions are fully determined by the specific form […]
Quantum 7, 1090 (2023). https://doi.org/10.22331/q-2023-08-22-1090 Semi-device-independent quantum key distribution aims to achieve a balance between the highest level of security, device independence, and experimental feasibility. Semi-quantum key distribution presents an intriguing approach that seeks to […]
Quantum 7, 1089 (2023). https://doi.org/10.22331/q-2023-08-22-1089 We investigate a family of fault-tolerant quantum error correction schemes based on the concatenation of small error detection or error correction codes with the three-dimensional cluster state. We propose fault-tolerant […]
Quantum 7, 1088 (2023). https://doi.org/10.22331/q-2023-08-22-1088 Given the importance of quantum reference frames (QRFs) to both quantum and gravitational physics, it is pertinent to develop a systematic method for switching between the descriptions of physics relative […]
Quantum 7, 1087 (2023). https://doi.org/10.22331/q-2023-08-16-1087 As techniques for fault-tolerant quantum computation keep improving, it is natural to ask: what is the fundamental lower bound on space overhead? In this paper, we obtain a lower bound […]
Quantum 7, 1086 (2023). https://doi.org/10.22331/q-2023-08-16-1086 Solving the electronic structure problem via unitary evolution of the electronic Hamiltonian is one of the promising applications of digital quantum computers. One of the practical strategies to implement the […]
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