论文标题
阻尼率振幅在两个耦合振荡器的同步中的作用
The role of damping rate amplitude in the synchronization of two coupled oscillators
论文作者
论文摘要
我们研究了两个支柱系统在涡流构型系统下或驱动频率下，在两个支柱系统中的两个自旋转移纳米振荡器（STNOS）之间的同步现象之间的同步现象。振荡器的相互同步通过磁性偶极相互作用发生。我们的微磁模拟表明，称为$γ_p$的振幅波动对确定同步频率具有重大影响。比较并讨论了两个不同振荡器大小与外部垂直场的频率和振幅波动率的演变。我们的结果表明，较低$γ_p$的振荡器（称为“领导者”振荡器）领导同步过程。因此，“追随者”振荡器会根据“领导者”的频率调整其频率，从而实现同步。我们认为，考虑$γ_P$可以帮助控制任何网络多阵列SpinTronics设备的未来构建块中的同步频率。
We investigate the synchronization phenomenon between two Spin-transfer Torque Nano-Oscillators (STNOs) of different frequencies in two pillar systems under vortex configuration detunings or driving frequencies. The oscillators' mutual synchronization occurs through magnetic dipolar interaction. Our micromagnetic simulations show that an amplitude fluctuation referred to as $Γ_p$ has a significant impact on determining the synchronization frequency. The evolution of frequency and amplitude fluctuation rate in two different oscillator sizes versus external perpendicular field are compared and discussed. Our results reveal that the oscillator with lower $Γ_p$, referred to as the "Leader" oscillator, leads the synchronization process. As such, the "follower" oscillator adjusts its frequency as to that of the "Leader", thus achieving synchronization. We believe that taking $Γ_p$ into consideration can help in controlling synchronization frequencies in future building blocks of any network multi-array spintronics' devices.
