超导静态量子逻辑
Superconductive Static Quantum Logic
摘要:
具有精确的$Φ_0/2$磁通量穿线的超导环类似于具有两个简并态的伊辛自旋,其可用于存储二进制信息。当靠近时,这些环通过磁耦合相互作用。如果相互作用被适当地剪裁,这样的超导环系统可以实现静态量子逻辑,在这个意义上,当且仅当整个系统处于基态时,被解释为布尔变量的环的状态满足所需的逻辑关系。这样的静态逻辑对于实现静态量子计算是必不可少的[1,2]。
英文摘要:
Superconducting rings with exactly $Φ_0/2$ magnetic flux threading are analogous of Ising spins having two degenerate states which can be used to store binary information. When brought close these rings interact by means of magnetic coupling. If the interactions are properly tailored, a system of such superconducting rings can accomplish static quantum logic in the sense that the states of the rings interpreted as Boolean variables satisfy the desired logic relations when and only when the whole system is in the ground state. Such static logic is essential to carry out the static quantum computation [1,2].
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