磁振子参数子理论
Theory of the Magnon Parametron
摘要：
“磁振子参变子”是一种铁磁粒子，它在空腔中被微波参变激发。当微波功率超过一定阈值时，会出现一个双稳态，形成一个有效的伊辛自旋。我们计算的磁振子参数的动力学作为微波功率的函数，施加的磁场和温度的相互作用磁振子系统，考虑到热和量子涨落。我们预测三个动力学阶段，即。一个稳定的伊辛自旋，电报噪声的热激活开关，和一个中间制度，在较低的温度是量子相关的显着distillible磁振子纠缠。这三个制度的操作是有吸引力的替代计算方案。
英文摘要：
The 'magnon parametron' is a ferromagnetic particle that is parametrically excited by microwaves in a cavity. Above a certain threshold of the microwave power, a bistable steady state emerges that forms an effective Ising spin. We calculate the dynamics of the magnon parametron as a function of microwave power, applied magnetic field and temperature for the interacting magnon system, taking into account thermal and quantum fluctuations. We predict three dynamical phases, viz. a stable Ising spin, telegraph noise of thermally activated switching, and an intermediate regime that at lower temperatures is quantum correlated with significant distillible magnon entanglement. These three regimes of operation are attractive for alternative computing schemes.
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