超催化
Supercatalysis
摘要：
我们证明了二体纠缠态的纠缠辅助变换可以比催化更有效[D。Jonathan和M. B. Plenio，Phys. Rev. Lett. 83，3566（1999）}，即，给定两个不可比较的二分态，不仅可以通过与辅助纠缠态进行集体操作来实现转换，而且可以增强辅助纠缠态本身的纠缠。我们把这种现象称为超催化。我们提供了超催化的性质及其与催化的关系的结果。特别地，我们得到了一个有用的催化作用的充分必要条件，给出了几个超催化作用的充分条件，并研究了通过超催化作用可以增强辅助态纠缠的程度.
英文摘要：
We show that entanglement-assisted transformations of bipartite entangled states can be more efficient than catalysis [D. Jonathan and M. B. Plenio, Phys. Rev. Lett. 83, 3566 (1999)}, i.e., given two incomparable bipartite states not only can the transformation be enabled by performing collective operations with an auxiliary entangled state, but the entanglement of the auxiliary state itself can be enhanced. We refer to this phenomenon as supercatalysis. We provide results on the properties of supercatalysis and its relationship with catalysis. In particular, we obtain a useful necessary and sufficient condition for catalysis, provide several sufficient conditions for supercatalysis and study the extent to which entanglement of the auxiliary state can be enhanced via supercatalysis.
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