Russian scientists have proposed a new approach to creating quantum computers. Researchers have theoretically substantiated the possibility of developing a multi-level quantum processor based on ultracold polar molecules, which could potentially perform complex computational operations more efficiently. The work was reported by the press service of the Russian Quantum Center.
Currently, quantum computers are most often built on ions, cold atoms, or superconducting systems. Russian researchers proposed using ultracold polar molecules for this purpose — structures where one part has a positive charge and the other a negative charge. This allows the molecules to interact with each other and participate in quantum computations.
To test the idea, scientists created system models based on strontium fluoride and a compound of cesium with sodium. Calculations showed that such molecules are suitable for working not only with ordinary qubits, which have two states, but also with more complex qudits, which can have three, four, or five states.
According to the researchers, computations in such a system can occur very quickly — approximately a thousand times faster than quantum elements begin to lose stability. Simply put, the computer has enough time to perform complex operations without failures, which is important for creating more powerful quantum systems of the future.
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