Efficient factorization with a single pure qubit and log N mixed qubits

Efficient factorization with a single pure qubit and log N mixed qubits
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DOI:
10.1103/physrevlett.85.3049
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发表时间:
2000-10-02
影响因子:
8.6
通讯作者:
Plenio, MB
Plenio, MB
中科院分区:
物理与天体物理1区
文献类型:
--
作者:
Parker, S;Plenio, MB

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通常认为,肖尔的量子算法的有效因式分解的一个大的数字N需要一个纯的初始状态。在这里,我们证明了一个单一的纯量子位,连同一个集合的log(2)N量子位在一个任意的混合状态,是足以实现肖尔的因式分解算法有效。
It is commonly assumed that Shor's quantum algorithm for the efficient factorization of a large number N requires a pure initial state. Here we demonstrate that a single pure qubit, together with a collection of log(2)N qubits in an arbitrary mixed state, is sufficient to implement Shor's factorization algorithm efficiently.