We are inching closer to a quantum world.🔍
Researchers in Germany have come up with a computational operation that involves two logical quantum bits and can be employed for any kind of task. The mentioned operation is actually represented by a set of universal gates or quantum circuits capable of processing all types of mathematical information.
The two logical bits of the set called CNOT gate and T gate stored quantum information. Each bit was spanned over seven atoms and for the first time, scientists were able to implement a universal gate on fault-tolerant bits. Fault tolerance is the“T gates are very fundamental operations,” they are particularly interesting because quantum algorithms without T gates can be simulated relatively easily on classical computers, negating any possible speed-up.
“The fault-tolerant implementation requires more operations than non-fault-tolerant operations. This will introduce more errors on the scale of single atoms, but nevertheless the experimental operations on the logical qubits are better than non-fault-tolerant logical operations.” co-lead researcher Thomas Monz explained.
Monz further confirms that although the implementation of a universal gate set makes the processing part more complex, it delivers better and more accurate results. Scientists now plan to test this error-free approach on larger and more powerful quantum machines.Stay ahead with the latest science, technology and innovation news, for free:
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