According to Feynman, we should make nature to be quantum mechanical to simulate it better. Simulating quantum systems in a computer had been remained a challenging problem to tackle. It's mainly in case of a large quantum system. However, Feynman's 1982 conjecture that `physics can be simulated using a quantum computer other than using a Turing machine or a classical computer' has been proved to be correct. It is widely known that quantum computers have superior power as compared to classical computers in simulating quantum systems efficiently. Here we report the experimental realization of quantum tunneling through potential barriers by simulating it in the IBM quantum computer, which here acts as a universal quantum simulator. We take a two-qubit system for visualizing the tunneling process, which has a truly quantum nature. We clearly observe the tunneling through a barrier by our experimental results. This experiment inspires us to simulate other quantum mechanical problems which possess such quantum nature.
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[v1] 2017-12-21 12:03:44
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