Supersinglets

Supersinglets
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DOI:
10.1080/09500340308234551
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发表时间:
2003-04
影响因子:
1.3
通讯作者:
A. Cabello
A. Cabello
中科院分区:
物理与天体物理4区
文献类型:
--
作者:
A. Cabello

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超单重态|S N (d)⟩是d能级的N个粒子的总自旋零态。描述了|S N (N)⟩和|S N(2)⟩状态的一些应用。|S N (N)⟩状态可以用来解决三个没有经典解决方案的问题:‘ N个陌生人’,‘秘密共享’和‘骗子检测’问题。|S N(2)⟩(具有N偶)状态可用于编码无退相干子空间中的量子位。
Abstract Supersinglets |S N (d) ⟩ are states of total spin zero of N particles of d levels. Some applications of the |S N (N) ⟩ and |S N (2) ⟩ states are described. The |S N (N) ⟩ states can be used to solve three problems that have no classical solution: The ‘N strangers,’ ‘secret sharing,’ and ‘liar detection’ problems. The |S N (2) ⟩ (with N even) states can be used to encode qubits in decoherence-free subspaces.