How ‘Qudits’ can encourage quantum computing
“Qudits”, multi-dimensional tube cousins, quantum computers could be more efficient and may be mistakes
Innsbruck was part of the quantum computer, and researchers made simulations using Qutrits and Ququins.
C. University of Innsbruck / University
Quantum computing has calculated with objects that value “0” or “1”.
On a paper published on March 25 Nature physicsPhysicists describe how “Qutrits’-Qutrits’-Qudits used, respectively, to simulate high-energy particles on how high energy particles work through an electromagnetic field. The work continues the result published Physical review letters (PRL) In September, they played the behavior of another quantum area, using strong nuclear force, using Qutrits.
Quantum areas Simulations is one of the most promising applications of quantum computers, as these machines can predict particle blows or chemical reactions to calculate computers. Qudits are suitable for this task, Christine muschik theoretical theoretical physics, according to the author of the author Nature physics Even the paper These simulations pioneer In 2016 with Quibits colleagues, University of Innsbruck Austria. “If I could go back in time to my old, I would say: why lose time with time?” says Muschik, now in the University of Waterloo, Canada.
To help Science Journalism
If you enjoy this article, consider entering award-winning journalism Subscribe. By purchasing subscription, you are helping to ensure the future of stories about the discoveries and ideas that are conformed to today.
“This quilt view is not a solution for all, but when it is best to the problem, it helps you, says Martin Ringbauer, experimental experimental physicist at the University of Innsbruck and the main author of the paper.
In general, quadits can help make calculations in quantum computers, greater efficiency and less defective trends, at least on paper. With Qudits, each computational unit previously encoded, such as a Ion trapped or a Ostama-What suddenly, packing in more information, helping machines scale faster. But tactics are mature than Qubits-based approaches, and the devil could be in detail. “Qudits are also more difficult,” says Benjamin Brock, the experimental physicist at Yale University in New Haven, Connecticut.
System Tweaks
In most quantum computers, the utils used by researchers are naturally in two possible situations in a system that would have more states. Such a system, therefore, could also accommodate qudits. “Existing Quit Processors, for example IBM and Google Qutrits can be operated as a high-dimensional incident, says Machiel Blok, Physicians at Rochester, New York University.
For the simulations of quantum areas, authors of the authors Jar The rapidly encoded Qutrits Quantum Chip superoducuan puts UBM available to researchers and is usually used as a QUIT machine. Ringbauer, muschik and their colleagues used calcium ions to represent five level ququins. It is a natural way, having a field that may be in lowest energy (0 value) or positive or negative values of -2 and +2 at any space, as Muschik says.
In the future, such simulations can help explain how Quarks are sticking to protons, or how neutrinos collide in the living environment of a supernova explosion, physicists say. “It is great that we will be the new effects we can identify with quantum computers with a low size,” says Martin Savage, University of Washington at the University of Washington in Seattle.
Correct error
In principle, any calculations that can be made with qbits can also be done in any dimensional water and vice versa: Any quadit coded can be encoded in a set of quals. But sharing information among some abnorms is very difficult and can cause computation errors. The implementation of a quantum algorithm of QDITits would require fewer steps, so it may have a lower chance to access errors, Muschik says.
Theorists have designed quantum error “schemes to capture errors, and in principle, qudits can reduce the same level of error correction,” says the President of Theorist Earl Campbell, Quantum Software in the Cambridge UK. company. “The building code of the Qudits is harder.”
Last September, they coded in a background of Brock and his collaborators as the energy level of captured microwave caught, and used some available dimensions to increase the information redundancy and thus correct mistakes. “We need a quantum error correction if long term will be useful,” Brock says. But he added “less clearly, at the time, at least, using quadits using a quantum-scale quantum computer.”
This article reproduces with permission and has been First posted On March 25, 2025.
