基于纳米机电系统的通用量子计算
Universal quantum computation based on Nano-Electro-Mechanical Systems
AI总结：
提出使用屈曲板作为量子比特，通过机械双井势和电场实现通用量子门，基于 NEMS 的量子计算机。
摘要：
我们提议使用屈曲板作为量子比特，，其中双井势能通过从两侧推动板来机械地产生。板的右和左位置被指定为量子态 $|0\rangle $ 和 $|1\rangle $。当位移达到皮米量级时，量子效应出现，尽管屈曲板的尺寸约为 $1μm$。NOT 门通过改变作用在板上的屈曲力来执行，而 Pauli-Z 门和相移门通过施加电场来执行。双量子比特相移门利用静电势来实现。它们构成了一套通用量子门。对材料参数的检查证明了基于 NEMS（纳米机电系统）的量子计算机的可行性。
英文摘要：
We propose to use a buckled plate as a qubit, where a double-well potential is mechanically produced by pushing the plate from both the sides. The right and left positions of the plate are assigned to be quantum states $|0\rangle $ and $|1\rangle $. Quantum effects emerge when the displacement is of the order of picometers, although the size of a buckled plate is of the order of $1μm$. The NOT gate is executed by changing the buckling force acting on the plate, while the Pauli-Z gate and the phase-shift gate are executed by applying electric field. A two-qubit phase shift gate is materialized with the use of an electrostatic potential. They constitute a set of universal quantum gates. An examination of material parameters leads to a feasibility of a NEMS(Nano-Electro-Mechanical System)-based quantum computer.
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