Experimental simulation of quantum tunneling in small systems

被引：39
作者：
Feng, Guan-Ru [1 ,2 ,3 ]
Lu, Yao [1 ,2 ,3 ]
Hao, Liang [1 ,2 ,3 ]
Zhang, Fei-Hao [1 ,2 ,3 ]
Long, Gui-Lu [1 ,2 ,3 ]
机构：
[1] Tsinghua Univ, State Key Lab Low Dimens Quantum Phys, Beijing 100084, Peoples R China
[2] Tsinghua Univ, Dept Phys, Beijing 100084, Peoples R China
[3] Tsinghua Natl Lab Informat Sci & Technol, Beijing 100084, Peoples R China
来源：
SCIENTIFIC REPORTS | 2013年 / 3卷
基金：
中国国家自然科学基金;
关键词：
D O I：
10.1038/srep02232
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
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.
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页数：7
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