Quantum computers have a great future, but their practical applications have yet to be demonstrated… until today. Google has presented a study that demonstrates, for the first time in history, that a quantum computer can successfully run a algorithm hardware verifiable.
This means that this algorithm, called Quantum Echoescan be reproduced on any other quantum computer, and obtain the same result. It is an essential feature for creating business models.
The other great milestone of this announcement is that the algorithm already has a real world application– can calculate the structure of a molecule.
The great advantage of using a quantum algorithm is that It is 13,000 times faster than the supercomputer most powerful there is. It is easy to see the implications.
One step closer to the real use of quantum computers
The advances of this Google announcement are very important in this new emerging science.
Until now, experiments with quantum chips were theoretical, and the algorithms that worked on one computer could not be reproduced on another. Google’s Quantum Echoes algorithm is called testable because it can be used on other quantum computers, and obtain the same result. That is the basis of «real» computing.
This has been possible thanks to the quantum chip Willow from Googlewhich stands out for its low error rate and high speed.
The algorithm Quantum Echoes (Quantum Echoes) is called that because it works like a very advanced echo. Programmers send a carefully crafted signal to the quantum system (qubits on the Willow chip) and then precisely reverse its evolution to listen for the «echo» that comes back.
This quantum echo is special because it is amplified by constructive interference, a phenomenon in which quantum waves add up to become stronger. This makes the measurement incredibly accurate. It has been successfully tested in a real experiment: measure the molecular structure of a molecule. You can see the full study at Nature.
Therefore, with this advance Google brings a little closer the manufacturing of quantum computers that can be used in real tasks, not just theoretical ones.
These atom-based computers will be a great advance for quantum mechanics, since they will allow us to study the interactions between atoms and particles, and the structure of molecules. Google compares it to the impact on science that the invention of the microscope or telescope had. They will allow us to study atoms with techniques that were not possible before.
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Tags: Computers, Industry