For today’s computers, errors during data processing and storage are rare due to high-quality performance. However, for critical applications, where even a single mistake can have serious consequences, error-based methods of re-processing processed data are still used.

Quantum computers are naturally at high risk of disruption. They will likely always need error correction methods because otherwise, errors will spread uncontrollably in the system, and information will be lost. Because the fundamental laws of quantum mechanics prohibit the copying of quantum information, duplication can be achieved by distributing logical quantum information into the trapped state of specific body systems, for example, many individual atoms.

The team led by Thomas Monz of the Department of Experimental Sciences at the University of Innsbruck and Markus Müller of RWTH Aachen University and Forschungszentrum Jülich in Germany have now successfully, for the first time, see a collection of calculations in two logical quantum fields used for any possible operation. “To get a real-world quantum computer, we need a set of gates that we can configure with all algorithms,” explains Lukas Postler, an experimental physicist in Innsbruck.

Actual quantum performance was obtained.

Researchers have used this universal gate mounted on a computer ion trap quantum containing 16 trapped atoms. Quantum information was stored in two logical quantum bits, each distributed over seven atoms.

Now, for the first time, it has become possible to use two mathematical gates on these quantum-tolerant quantum bits, which are required for a universal set of gates: computer operation on two quantum bits (CNOT gate) and a sensible T. gate, which is very difficult to apply to quantum-tolerant quantum bits.

“T gates are an essential function,” explains physicist Markus Müller. “They are fascinating because quantum algorithms that do not have T gates can be easily replicated in ancient computers, ignoring any possible acceleration. This is no longer the case with algorithms with T gates.” Physicists have shown the T-gate by preparing a case with a good quantum bit and telephoning it to another quantum bit using a closed gate.

The complexity increases, but so does the accuracy.

For logical quantum bits, stored quantum information is protected from errors. But this does not help without computer performance, and these functions are flawed.

Researchers have used operations on logical qubits so that defects caused by essential physical activity can also be detected and corrected. Therefore, they used the first error-tolerant implementation of the gate set everywhere on the excellent quantum bits.

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Alice is the Chief Editor with relevant experience of three years, Alice has founded Galaxy Reporters. She has a keen interest in the field of science. She is the pillar behind the in-depth coverages of Science news. She has written several papers and high-level documentation.


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