...个个单独的铷原子(rubidium atoms)，放置在用雷射光束做成的光学晶格(optical lattice)，在量子能源状态(quantum energy states)下储存量子位元。铷元子能产生8种不同的能源状态，NIST的研究团队选择了两种「记忆状态来代表0与1。
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In the simplest case, one obtains a system with two energy states, a so-called quantum bit or qubit.
在最简单的情况下，一个系统有两个能量状态，即所谓的量子比特或昆比特。
They are called quantum because it takes a packet of energy of a very specific size - a quantum - to create the states.
它们被称作量子因为物质只能接受一份份特定的能量——一个量子——来建立状态。
The system is in the state of the superposition of the two macroscopic quantum states. Thecoherent tunnelling between them leads to the energy splitting.
系统处于这两个宏观量子态的相干叠加态，它们之间由于相干隧穿导致能级的劈裂。
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