Guan Ru Feng, Yao Lu, Gui Lu Long
It is well-known that quantum computers are superior to classical computers in efficiently simulating quantum systems. Here we report the first experimental simulation of the quantum tunneling through potential barriers, a widespread phenomenon of unique quantum feature, via NMR techniques. Our experiment is based on the digital simulation algorithm that discretizes continuous space and time into lattices, and it uses only two spin-1/2 nuclei without the need of ancillary qubits. The occurrence of quantum tunneling through a barrier is clearly observed through the experimental result. This experiment has clearly demonstrated the viability of quantum simulation of a wide range of quantum phenomena with not only discrete, but also continuous degrees of freedom.
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http://arxiv.org/abs/1205.2421
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