If we could not find room for it, time to digest it, or a reason to run it during the past week, we have collected it here. Not a recap for the week, but a cleanup of pieces we received and just could not get to.
Because Quantum is Coming. Qubit.
Qubits made from strontium and calcium ions can be precisely controlled by technology that already exists | Of the many divergent approaches to building a practical quantum computer, one of the most promising paths leads toward ion traps. In these traps, single ions are held still and serve as the basic units of data, or qubits, of the computer. With the help of lasers, these qubits interact with each other to perform logic operations. Source: SCIENCE BULLETIN. Massachusetts Institute of Technology, Qubits made from strontium and calcium ions can be precisely controlled by technology that already exists…
How IBM and its partners use quantum computing to disrupt industries | IBM research director Dario Gil talks to MarketWatch about how automakers, airlines, and banks are using quantum computing to get a competitive edge in their markets. Source: Herald Sun. Herald Sun, How IBM and its partners use quantum computing to disrupt industries…
3 ways quantum computing can help us fight climate change | Developing quantum computing capacities at a scale similar to modern computers or even supercomputers could enable us to solve many of the intractable problems that climate change poses to us. Here’s how. Source: BIG THINK. Matt Davis, 3 ways quantum computing can help us fight climate change…
Decoding quantum errors with subspace expansions | With rapid developments in quantum hardware comes a push towards the first practical applications. While fully fault-tolerant quantum computers are not yet realized, there may exist intermediate forms of error correction that enable practical applications. In this work, we consider the idea of post-processing error decoders using existing quantum codes, which mitigate errors on logical qubits using post-processing without explicit syndrome measurements or additional qubits beyond the encoding overhead. This greatly simplifies the experimental exploration of quantum codes on real, near-term devices, removing the need for locality of syndromes or fast feed-forward. We develop the theory of the method and demonstrate it on an example with the perfect [[5, 1, 3]] code, which exhibits a pseudo-threshold of p ≈ 0.50 under a single qubit depolarizing channel applied to all qubits. We also provide a demonstration of improved performance on an unencoded hydrogen molecule. Source: nature communications. Jarrod R. McClean, Zhang Jiang, Nicholas C. Rubin, Ryan Babbush & Hartmut Neven, Decoding quantum errors with subspace expansions…
Our power grid is at risk: Big data and quantum keys can keep the power on [Opinion] | Could quantum computing and big data analytics save us from a massive power failure? Source: Houston*Chronicle. Thom Mason, Our power grid is at risk: Big data and quantum keys can keep the power on [Opinion]…
3-D trapping of Rydberg atoms in holographic optical bottle beam traps | Researchers at CNRS, Université Paris-Saclay in France have recently demonstrated the 3-D trapping of atoms in a Rydberg state inside holographic optical bottle beam traps. Their demonstration, outlined in a paper published in Physical Review Letters, could have important implications for the future realization of quantum simulations. Source: PHYS.ORG. Ingrid Fadelli, 3-D trapping of Rydberg atoms in holographic optical bottle beam traps…
Content may have been edited for style and clarity.
