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Google Sets Another Quantum Supremacy Milestone: Breakthrough Progress in the RCS Algorithm

Using the Random Circuit Sampling (RCS) algorithm, Google has once again achieved quantum supremacy. The latest research shows that the Sycamore quantum processor can outperform classical computers even in noisy environments, achieving twice the circuit volume at the same fidelity compared with 2019. This advancement marks a new breakthrough in quantum computing for handling complex tasks and lays the groundwork for future practical applications.

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2024-10-2
2026-3-19
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Google Achieves New Quantum Supremacy Milestone: Breakthrough Progress in RCS Algorithm

Abstract: Google has achieved a new breakthrough in quantum computing through the Random Circuit Sampling (RCS) algorithm. The latest experimental results from the Sycamore quantum computer demonstrate that even in high-noise interference environments, quantum computers can still outperform classical supercomputers. Compared to 2019, the circuit volume has doubled, marking a new milestone in quantum supremacy and laying the foundation for the development of quantum computing in practical applications.

Background of the RCS Algorithm

The Random Circuit Sampling (RCS) algorithm is a key benchmark for evaluating quantum computer performance. Google's Sycamore quantum computer has demonstrated the powerful potential of quantum computing through the RCS algorithm. In 2019, Google first announced achieving quantum supremacy by running the RCS algorithm. At the time, they claimed that a classical supercomputer would need ten thousand years to complete the same computational task. However, advances in classical computing have challenged this achievement.

2024 Breakthrough: Circuit Volume Doubles

In new research from 2024, the Google team used the Sycamore quantum computer to prove its stability and superior performance in noisy environments. Under the same fidelity conditions, the circuit volume doubled, meaning the quantum computer can handle more complex computational tasks. The research also found that minor noise differences in qubits can significantly impact computational complexity, but Sycamore still maintained its quantum supremacy position.

Future Outlook for Quantum Computing

Google's research demonstrates the potential of quantum computers to surpass classical computers, even at current noise levels. The research further proves that quantum computers possess irreplaceable advantages when handling complex tasks. While quantum computing technology is still developing, its application potential in specific fields is enormous, particularly in its performance on ultra-large-scale computational tasks.

Conclusion

Through continuous optimization and improvement of the RCS algorithm, Google has once again demonstrated the powerful capabilities of quantum computing. As circuit volume continues to increase, quantum computers are expected to completely surpass classical supercomputers in the future, driving technological transformation across multiple industries.
Reference Materials:
  1. Nature Research Paper
  1. Google Quantum Computing Blog
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