Implementation of quantum partial search with superconducting quantum interference device qudits in cavity QED

doi:10.1088/1674-1056/22/11/110305

Abstract We present a method to implement the quantum partial search of the database separated into any number of blocks with qudits, D-level quantum systems. Compared with the partial search using qubits, our method needs fewer iteration steps and uses the carriers of the information more economically. To illustrate how to realize the idea with concrete physical systems, we propose a scheme to carry out a twelve-dimensional partial search of the database partitioned into three blocks with superconducting quantum interference devices (SQUIDs) in cavity QED. Through the appropriate modulation of the amplitudes of the microwave pulses, the scheme can overcome the non-identity of the cavity–SQUID coupling strengths due to the parameter variations resulting from the fabrication processes. Numerical simulation under the influence of the cavity and SQUID decays shows that the scheme could be achieved efficiently within current state-of-the-art technology.

Keywords: Grover search quantum partial search qudit superconducting quantum interference device (SQUID)

Received: 05 June 2013
Revised: 08 August 2013
Accepted manuscript online:

PACS:	03.67.Lx	(Quantum computation architectures and implementations)
	85.25.Dq	(Superconducting quantum interference devices (SQUIDs))

Fund: Project supported by the National Natural Science Foundation of China (Grant No. 10774192).

Corresponding Authors: Li Hong-Yi
E-mail: hongyili@nudt.edu.cn

Cite this article:

Li Hong-Yi (李虹轶), Wu Chun-Wang (吴春旺), Chen Yu-Bo (陈玉波), Lin Yuan-Gen (林源根), Chen Ping-Xing (陈平形), Li Cheng-Zu (李承祖) Implementation of quantum partial search with superconducting quantum interference device qudits in cavity QED 2013 Chin. Phys. B 22 110305

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Implementation of quantum partial search with superconducting quantum interference device qudits in cavity QED

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