Quantum Supremacy Demonstration
Researchers from Oxford and Universidad de Sevilla demonstrated quantum supremacy with a simple game based on the odd-cycle graph.
The game involved two players who must colour points on a circle with an odd number of points while following certain rules.
This experiment used two entangled atoms to perform quantum operations and show quantum superiority over classical methods.
Classical vs Quantum Approach
In the classical setup, players could only win 83.3% of the time with a three-point circle.
The quantum version of the game achieved a much higher success rate of 97.8%.
Simpler Implementation
Unlike previous quantum supremacy demonstrations that used complex problems and large resources, this test used only two entangled qubits.
The experiment’s simplicity makes it easier to implement compared to previous quantum supremacy tests like Google's Sycamore processor.
Potential Real-World Applications
The quantum game can be applied to real-world tasks, such as rendezvous problems, where agents must meet without communication.
Quantum computers can solve these problems much faster than classical computers by leveraging entanglement to find the most likely meeting point with fewer steps.
Strength of Quantum Correlations
The researchers also demonstrated the strongest correlation ever observed between two separated quantum systems, validating the quantum nature of their entanglement.
This enhanced correlation confirms that quantum entanglement can offer significant computational advantages over classical methods in specific tasks.
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