descriptionPublicationkeyboard_double_arrow_right Article , Other literature type , Preprint 23 Apr 2001Embargo end date: 01 Jan 2000 English Publisher:American Physical Society (APS)Journal:Physical Review Letters, volume 86, pages 3,907-3,910 (issn: 0031-9007, eissn: 1079-7114,

Authors: Wang, Xiaoguang; Sørensen, Anders; Mølmer, Klaus;

doi: 10.1103/physrevlett.86.3907 , 10.48550/arxiv.quant-ph/0012055 , 10.17877/de290r-7293

pmid: 11329354

arXiv: http://arxiv.org/abs/quant-ph/0012055

Multibit Gates for Quantum Computing

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Abstract

We present a general technique to implement products of many qubit operators communicating via a joint harmonic oscillator degree of freedom in a quantum computer. By conditional displacements and rotations we can implement Hamiltonians which are trigonometric functions of qubit operators. With such operators we can effectively implement higher order gates such as Toffoli gates and C^n-NOT gates, and we show that the entire Grover search algorithm can be implemented in a direct way.

4 pages, 1 figure, minor changes in the presentation

Related Organizations

Aarhus University
Denmark

Keywords

Quantum Physics, FOS: Physical sciences, Quantum Physics (quant-ph), 530

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