论文标题
偏振子冷凝物的机械旋转引起的自旋共振
Spin resonance induced by a mechanical rotation of a polariton condensate
论文作者
论文摘要
从理论上讲，我们研究了被旋转陷阱中的激子 - 极光龙的环形授权凝结物中的极化动力学。极性模式的旋转电势与TE-TM分裂之间的相互作用为控制旋转状态和冷凝物的角动量提供了一种控制工具。提出了描述伪旋转和角动量耦合的特定选择规则。具有线性和圆极化的状态之间的共振耦合导致极化节拍。在存在恒定和旋转磁场的情况下，该效果可能被视为与电子磁共振的类比。值得注意的是，旋转节拍是由冷凝水的纯机械旋转引起的。
We study theoretically the polarization dynamics in a ring-shape bosonic condensate of exciton-polaritons confined in a rotating trap. The interplay between the rotating potential and TE-TM splitting of polariton modes offers a tool of control over the spin state and the angular momentum of the condensate. Specific selection rules describing the coupling of pseudospin and angular momentum are formulated. The resonant coupling between states having linear and circular polarizations leads to the polarization beats. The effect may be seen as a polariton analogy to the electronic magnetic resonance in the presence of constant and rotating magnetic fields. Remarkably, spin beats are induced by a purely mechanical rotation of the condensate.
