超流$^3$ He-B的HPD态中$\vartheta$孤子的动力学
Dynamics of $\vartheta$-solitons in the HPD state of superfluid $^3$He-B
摘要:
本文对超流$^3$ He-B中均匀旋进区(HPD)中$\vartheta$孤子的自旋动力学进行了数值研究。孤立子由小而重的核心和长尾组成,在一维模拟中我们观察到它们的相互运动。我们还讨论了孤立子膜的质量密度和张力及其在圆柱形池中的三维振荡。
英文摘要:
In this note we present numerical study of spin dynamics of $\vartheta$-soliton in Homogeneously precessing domain (HPD) in superfluid $^3$He-B. The soliton consists of a small heavy core and long tails, in 1D simulation we observe their mutual motion. We also discuss mass density and tension of the soliton membrane and its 3D oscillations in a cylindrical cell.
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