Confinement limits the growth of entanglement in the system, which facilitates classical modeling. In this way, a classical computer was able to effectively solve a problem originally designed for a quantum computer.
Joseph Tyndall, the researcher who led the study, said that the discovery helps clarify the limits of what quantum and classical computers can do. While classical computers use bits, quantum computers use qubits, which can represent 0s and 1s simultaneously; This shows that they have advantages in computing power.
An experiment conducted by IBM simulated the evolution of a magnetic system. Tindal applied his algorithms and managed to solve this problem in just two weeks using minimal computing resources. In doing so, he used a simple method that IBM had overlooked.
Tyndall and his colleague Dries Sels found that the two-dimensional system placed a constraint on the entanglement of the magnets, making it easier to solve the problem using classical methods. These results not only improve the understanding of quantum systems, but also create new tools for testing quantum simulations in the future.
Source: Ferra
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