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Properties of skyrmions and multi-quanta vortices in chiral $p$-wave superconductors | | Julien Garaud
; Egor Babaev
; | | Date: |
16 Jul 2015 | | Abstract: | Chiral $p$-wave superconducting state supports a rich spectrum of topological
excitations different from those in conventional superconducting states.
Besides domain walls separating different chiral states, chiral $p$-wave state
supports both singular and coreless vortices also interpreted as skyrmions.
Here, we present a numerical study of the energetic properties of singular and
coreless vortex states as a function of anisotropy and magnetic field
penetration length. Single quantum vortices with opposite winding have
different energies and thus only one kind is energetically favoured. The two
quanta (coreless) vortices are always energetically preferred over isolated
single quanta (singular) vortices. We also report solutions carrying more flux
quanta. However those are typically more energetically expensive/metastable. | | Source: | arXiv, 1507.4634 | | Services: | Forum | Review | PDF | Favorites | |
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