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Little-Parks oscillation and ${f d}$-vector texture in spin-triplet superconducting rings with bias current | | Kazushi Aoyama
; | | Date: |
1 Jun 2022 | | Abstract: | 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 ${f d}$-vector rotates to yield a larger $j_c$,
forming a texture along the circumference of the ring. Experimental
implications of our result are discussed. | | Source: | arXiv, 2206.00143 | | Services: | Forum | Review | PDF | Favorites | |
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