The world of quantum computing has recently seen a remarkable performance with the new quantum computer H2-1. This 56-qubit marvel, developed by Quantum, has created quite a stir in the scientific community by smashing the previous record for “quantum supremacy.”
The H2-1 quantum computer’s performance is a tune to researchers’ ears. It outperforms Google’s Sycamore machine, the previous record holder, by a factor of 100.
The quantum leap in capabilities was revealed in a study uploaded to the website arXiv preprint database June 4Although it is worth noting that the research has not yet been peer-reviewed.
Symphony of Qubits for Quantum Computer H2-1
Harmonious 56 qubit layout It is the energy source behind it. These quantum bits form the basis of its computing power, allowing it to perform calculations in parallel thanks to the laws of quantum mechanics and entanglement.
The concept of entanglement in quantum computing is similar to that of musicians in an orchestra playing in perfect synchrony. When quantum bits are entangled, the state of one qubit can instantly affect the state of the other, regardless of the distance between them. This quantum phenomenon allows for a level of computation Complexity that classical computers cannot handle.
The power of a quantum computer increases exponentially with each additional qubit, just as adding musical instruments to an orchestra can greatly improve its sound.
Scientists expect that the future quantum computers It will be able to solve complex problems in seconds that would take classical supercomputers thousands of years to solve.
hit the right notes
To measure H2-1’s performance, the Quantum scientists used a well-known algorithm that evaluates the noise levels, or error rates, of qubits. They used the linear entropy scale (XEB), which gives results ranging from 0 (completely error-prone) to 1 (completely error-free).
In this quantitative performance, H2-1 achieved an impressive high mark. It reached a XEB points around 0.35Which means it can produce Error-free results in 35% of casesThis result represents a significant improvement over Google SycamoreWho recorded a XEB result is around 0.002 in 2019.
H2-1 performance isn't just about raw power. It's also about efficiency. This quantum talent consumes 30,000 times less energy than its predecessorsMaking it a more sustainable option for future computing needs.
Towards Quantum Superiority
Although the H2-1's performance is impressive, it is important to note that we are still in the opening phase. Quantitative statistics The point at which quantum computers will finally outperform classical computers, known as “quantum supremacy,” will require a quantum computer with millions of qubits.
The largest current quantum computer has about 1000 qubits.
The main challenge lies in the inherent instability of qubits. They are prone to errors, which is why many researchers are now focusing on them. Building more reliable qubits instead of just increasing their numberIt's like improving the quality of every instrument in an orchestra rather than just adding extra musicians.
Quantinuum has played a leading role in this improvement process. In a previous collaboration with Microsoft, they demonstrated “logical qubits” using a Error rate 800 times lower than physical qubits.
These logical quantum bits showed an impressive error rate of only 1 in 100,000Huge improvement on 1 in 100 error rate in physical qubits.
The performance of H2-1 suggests that the full potential of fault-tolerant quantum computers may be within reach sooner than initially thought.
like Elias KhanQuantinuum's Product Manager noted,
“These results show that although the benefits of fault-tolerant quantum computers are unchanged in nature, they may be achievable sooner than initially anticipated.”
As researchers continue to improve and expand quantum technology, we can expect to hear more amazing performances in the future. Quantum Computing Orchestra Harmonizes with the Concert Technological progress has just begun..
Featured Image Credit: Quantity
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