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Cavity-assisted quantum computing in a silicon nanostructure |
| Tang Bao (唐宝)a, Qin Hao (秦豪)a, Zhang Rong (张融)a, Liu Jin-Ming (刘金明)b, Xue Peng (薛鹏)a b |
a Department of Physics, Southeast University, Nanjing 211189, China;
b State Key Laboratory of Precision Spectroscopy, East China Normal University, Shanghai 200062, China |
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Abstract We present a scheme of quantum computing with charge qubits corresponding to one excess electron shared between dangling-bond pairs of surface silicon atoms that couple to a microwave stripline resonator on a chip. By choosing a certain evolution time, we propose the realization of a set of universal single- and two-qubit logical gates. Due to its intrinsic stability and scalability, the silicon dangling-bond charge qubit can be regarded as one of the most promising candidates for quantum computation. Compared to the previous schemes on quantum computing with silicon bulk systems, our scheme shows such advantages as a long coherent time and direct control and readout.
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Received: 21 July 2013
Revised: 20 November 2013
Accepted manuscript online:
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PACS:
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03.67.Ac
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(Quantum algorithms, protocols, and simulations)
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42.50.Pq
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(Cavity quantum electrodynamics; micromasers)
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74.50.+r
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(Tunneling phenomena; Josephson effects)
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| Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 11004029 and 11174052), the Ph. D. Program of the Ministry of Education of China, the Excellent Young Teachers Program of Southeast University, China, the National Basic Research Program of China (Grant No. 2011CB921203), and the Open Fund from the State Key Laboratory of Precision Spectroscopy of East China Normal University, China. |
Corresponding Authors:
Xue Peng
E-mail: gnep.eux@gmail.com
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| About author: 03.67.Ac; 42.50.Pq; 74.50.+r |
Cite this article:
Tang Bao (唐宝), Qin Hao (秦豪), Zhang Rong (张融), Liu Jin-Ming (刘金明), Xue Peng (薛鹏) Cavity-assisted quantum computing in a silicon nanostructure 2014 Chin. Phys. B 23 050307
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