In a breakthrough for the futuristic field of quantum computing, researchers have implemented a basic arithmetic operation in a fault-tolerant manner on an actual quantum processor for the first time. In other words, they found a way to bring us closer to more reliable, powerful quantum computers less prone to errors or inaccuracies.

Quantum computers harness the bizarre properties of quantum physics to rapidly solve problems believed to be impossible for classical computers. By encoding information in quantum bits or “qubits,” they can perform computations in parallel, rather than sequentially as with normal bits.

However, qubits are extremely fragile and prone to errors. This has hindered development of practical quantum computers. Fault tolerance is the holy grail for realizing the full potential of quantum computers. It allows quantum computers to function reliably by detecting and correcting errors, even when qubits are affected by various factors (called “noise”).

The behavior of particles in the quantum realm differs from what we observe in our macroscopic, classical world. In the quantum domain, we can’t precisely predict where subatomic particles will be. Instead, we determine the probability of their positions, and even the simple act of observing these particles can change their state. This inherent uncertainty and sensitivity to observation make noise a significant challenge in quantum computing.

Now, scientists from Quantinuum, research institute QuTech, and the University of Stuttgart have achieved Go to Source to See Full Article
Author: Jose Antonio Lanz

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