In the realm of condensed matter physics, few phenomena captivate physicists’ curiosity as much as Mott insulators. According to traditional theory, this odd class of materials should be capable of conducting electricity, yet they behave […]
Quantum 8, 1332 (2024). https://doi.org/10.22331/q-2024-05-02-1332 Losses in the transmission channel, which increase with distance, pose a major obstacle to photonics demonstrations of quantum nonlocality and its applications. Recently, Chaturvedi, Viola, and Pawlowski (CVP) [arXiv:2211.14231] introduced […]
Quantum 8, 1331 (2024). https://doi.org/10.22331/q-2024-05-02-1331 Quantum Wielandt’s inequality gives an optimal upper bound on the minimal length $k$ such that length-$k$ products of elements in a generating system span $M_n(mathbb{C})$. It is conjectured that $k$ […]
Insider Brief The 74th annual ECTC will take place May 28-31, 2024 at Denver’s Gaylord Rockies Resort & Convention Center. More than 1,500 scientists, engineers and businesspeople from more than 20 countries are expected to […]
Insider Brief Many important collaborations and partnerships were announced in April. These partnerships were spread out globally and across research and commercial domains, as well as industry agnostic. We also note the need for both […]
Quantum 8, 1330 (2024). https://doi.org/10.22331/q-2024-05-02-1330 Copy-protection allows a software distributor to encode a program in such a way that it can be evaluated on any input, yet it cannot be “pirated” – a notion that […]
Quantum 8, 1329 (2024). https://doi.org/10.22331/q-2024-05-02-1329 We present the construction of standard entanglement-assisted (EA) qubit Reed-Muller (RM) codes and their tensor product variants from classical RM codes. We show that the EA RM codes obtained using […]
Quantum 8, 1328 (2024). https://doi.org/10.22331/q-2024-05-02-1328 Memory is the fundamental form of temporal complexity: when present but uncontrollable, it manifests as non-Markovian noise; conversely, if controllable, memory can be a powerful resource for information processing. Memory […]
Precisely measuring the energy states of individual atoms has been a historical challenge for physicists due to atomic recoil. When an atom interacts with a photon, the atom “recoils” in the opposite direction, making it […]
IBM has announced the the Japanese research institute Riken has chosen to install an IBM Quantum System Two processor to be installed at its facility and integrated with Riken’s Fugaku supercomputer. The system that will […]
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