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arXiv quant-ph/9905049quant-ph
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任意幺正算子的量子综合

Quantum synthesis of arbitrary unitary operators

B. Hladky, G. Drobny, V. Buzek

摘要:

大自然为我们提供了一组有限的微观相互作用。问题是我们能否从这些基本相互作用中综合出一个任意的幺正算符。本文提出了一种构造性算法,用于实现任何作用在单玻色模(截断)Hilbert空间上的酉算子。特别是,我们考虑了一个物理实现的幺正变换作用于1维振动态的被困离子。作为一个例子,我们提出了一种算法,实现离散傅里叶变换。

英文摘要:

Nature provides us with a restricted set of microscopic interactions. The question is whether we can synthesize out of these fundamental interactions an arbitrary unitary operator. In this paper we present a constructive algorithm for realization of any unitary operator which acts on a (truncated) Hilbert space of a single bosonic mode. In particular, we consider a physical implementation of unitary transformations acting on 1-dimensional vibrational states of a trapped ion. As an example we present an algorithm which realizes the discrete Fourier transform.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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