Error correction in quantum computers could be simplified by a new protocol proposed by an all-RIKEN team based on "cat states." It could cut the computing resources needed to fix errors to the same level as conventional ...
Quantum Physics
Dec 8, 2022
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Quantum computers have attracted considerable interest of late for their potential to crack problems in a few hours where they might take the age of the universe (i.e., tens of billions of years) on the best supercomputers. ...
Quantum Physics
Oct 26, 2022
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51
In February 2019, JQI Fellow Alicia Kollár, who is also an assistant professor of physics at UMD, bumped into Adrian Chapman, then a postdoctoral fellow at the University of Sydney, at a quantum information conference. Although ...
Quantum Physics
Oct 25, 2022
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284
Quantum computers have the potential to vastly exceed the capabilities of conventional computers for certain tasks. But there is still a long way to go before they can help to solve real-world problems. Many applications ...
Quantum Physics
Sep 22, 2022
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88
Quantum computers hold enormous promise in our big data world. If researchers can harness their potential, these devices could perform massively complex computations at lightning speed.
Quantum Physics
Sep 15, 2022
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282
As the size of modern technology shrinks down to the nanoscale, weird quantum effects—such as quantum tunneling, superposition, and entanglement—become prominent. This opens the door to a new era of quantum technologies, ...
Quantum Physics
Aug 26, 2022
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342
Researchers from RIKEN in Japan have achieved a major step toward large-scale quantum computing by demonstrating error correction in a three-qubit silicon-based quantum computing system. This work, published in Nature, could ...
Quantum Physics
Aug 24, 2022
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906
Dealing with experimental errors, which could occur in every step of quantum circuits, is of great importance, especially in the implementation of quantum computation. Generally speaking, quantum error correction requires ...
Optics & Photonics
Jul 8, 2022
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44
Researchers at Duke University and the University of Maryland have used the frequency of measurements on a quantum computer to get a glimpse into the quantum phenomena of phase changes—something analogous to water turning ...
Quantum Physics
Jun 10, 2022
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695
Quantum computers are expected to revolutionize the way researchers solve difficult computing problems. These computers are being designed to tackle major challenges in fundamental research areas, such as quantum chemistry. ...
Quantum Physics
Jun 6, 2022
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