论文标题
在Yttrium铁石榴石的垂直磁化膜中，镁的粘液凝结和自旋超流量
Bose condensation and spin superfluidity of magnons in a perpendicularly magnetized film of yttrium iron garnet
论文作者
论文摘要
实验研究了在带状线条下的垂直磁化膜中固定磁化膜中镁凝结物的形成。研究了非线性磁共振和磁场梯度中木胶的玻色冷凝物的空间分布的特征。在这些实验中，镁的骨气系统的行为与抗磁性超流体3HE-B中的木糖的BOSE凝结物相似，该B在较早之前进行了详细研究。 Magnonic BEC形成了具有宏伟性超流体特性的连贯的进攻状态。它的稳定性取决于激发镁之间的排斥力，这补偿了磁场的不均匀性。
The formation of a Bose condensate of magnons in a perpendicularly magnetized film of yttrium iron garnet under radio-frequency pumping in a strip line is studied experimentally. The characteristics of nonlinear magnetic resonance and the spatial distribution of the Bose condensate of magnons in the magnetic field gradient are investigated. In these experiments, the Bosonic system of magnons behaves similarly to the Bose condensate of magnons in the antiferromagnetic superfluid 3He-B, which was studied in detail earlier. Magnonic BEC forms a coherently precessing state with the properties of magnonic superfluidity. Its stability is determined by the repulsive potential between excited magnons, which compensates for the inhomogeneity of the magnetic field.
