论文标题
Little-Parks振荡和$ {\ bf d} $ - 带有偏置电流的自旋三旋转超导环中的向量纹理
Little-Parks oscillation and ${\bf d}$-vector texture in spin-triplet superconducting rings with bias current
论文作者
论文摘要
从理论上讲，我们研究了磁场中超导（SC）环的临界偏置电流$ J_C $。基于Ginzburg-landau理论，我们表明$ J_C $表现出一个小公园（LP）振荡，这是通过环的磁通量的函数，类似于SC过渡温度中的LP振荡。还发现，对于旋转三个SC环，$ {\ bf d} $ - 向量旋转以产生较大的$ j_c $，从而沿着环的圆周形成纹理。讨论了我们结果的实验含义。
We theoretically investigate the critical bias current $j_c$ for a superconducting (SC) ring in a magnetic field. Based on the Ginzburg-Landau theory, we show that $j_c$ exhibits a Little-Parks (LP) oscillation as a function of the magnetic flux passing through the ring, similarly to the LP oscillation in the SC transition temperature. It is also found that for a spin-triplet SC ring, the ${\bf d}$-vector rotates to yield a larger $j_c$, forming a texture along the circumference of the ring. Experimental implications of our result are discussed.
