从量子计算机基本元件的观点看三重态超导体
Triplet Superconductors from the Viewpoint of Basic Elements for Quantum Computers
摘要：
我们讨论了利用超导体与库珀凝聚在三重态（其中凝聚对的自旋是S=1）的量子计算机的实际实现的可能性。具有三重态配对凝聚体的超导体具有独特的特征，并且在通常的（单重态配对，S=0）超导体中找不到。某些三重态超导体中的序参量的对称性（例如，双简并手征态（doubly-degenerated chiral states）。这些态可以作为量子计算的量子比特基态。
英文摘要：
We discuss possibilities of utilizing superconductors with Cooper condensates in triplet pairing states (where the spin of condensate pairs is S=1) for practical realization of quantum computers. Superconductors with triplet pairing condensates have features that are unique and cannot be found in the usual (singlet pairing, S=0) superconductors. The symmetry of the order parameter in some triplet superconductors (e.g., ruthenates) corresponds to doubly-degenerate chiral states. These states can serve as qubit base states for quantum computing.
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