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Nature Research, Scientific Reports, 1(3), 2013

DOI: 10.1038/srep02232

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Experimental simulation of quantum tunneling in small systems

Journal article published in 2012 by Guan-Ru Feng, Yao Lu, Liang Hao, Fei-Hao Zhang, Gui-Lu Long ORCID
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

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 quantum tunneling through potential barriers, a widespread phenomenon of a unique quantum nature, via NMR techniques. Our experiment is based on a digital particle simulation algorithm and requires very few spin-1/2 nuclei without the need of ancillary qubits. The occurrence of quantum tunneling through a barrier, together with the oscillation of the state in potential wells, are clearly observed through the experimental results. This experiment has clearly demonstrated the possibility to observe and study profound physical phenomena within even the reach of small quantum computers. ; Comment: 17 pages and 8 figures