论文标题
在室温微波保罗陷阱中捕获电子
Trapping electrons in a room-temperature microwave Paul trap
论文作者
论文摘要
我们证明了电子在毫米大小的四极杆陷阱中捕获，以1.6〜GHz驱动的室温超高真空设置。通过通过rydberg状态将原子钙电离引入陷阱中，并保持微波炉和静态电场的限制，以几十毫秒。这些电子中的一部分仍被困住更长，并且在最高一秒钟内没有可测量的测量时间损失。运动的电子激发揭示了世俗的频率，可以在数十至数百个MHz的范围内调谐。在低温环境中操作类似的电子保罗陷阱可能会为用被困的电子旋转Qubts提供全电动量子计算的平台。
We demonstrate trapping of electrons in a millimeter-sized quadrupole Paul trap driven at 1.6~GHz in a room-temperature ultra-high vacuum setup. Cold electrons are introduced into the trap by ionization of atomic calcium via Rydberg states and stay confined by microwave and static electric fields for several tens of milliseconds. A fraction of these electrons remain trapped longer and show no measurable loss for measurement times up to a second. Electronic excitation of the motion reveals secular frequencies which can be tuned over a range of several tens to hundreds of MHz. Operating a similar electron Paul trap in a cryogenic environment may provide a platform for all-electric quantum computing with trapped electron spin qubits.
