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Type-1.5 Superconductors | | V. V. Moshchalkov
; M. Menghini
; T. Nishio
; Q.H. Chen
; A.V. Silhanek
; V.H. Dao
; L.F. Chibotaru
; J. Karpinsky
; | | Date: |
6 Feb 2009 | | Abstract: | We demonstrate the existence of a novel superconducting state in high quality
two-component MgB2 single crystalline superconductors where a unique
combination of both type-1 (kappa_1 < 0.707) and type-2 (kappa_2 > 0.707)
superconductor conditions is realized for the two components of the order
parameter. This condition leads to a vortex-vortex interaction attractive at
long distances and repulsive at short distances, which stabilizes
unconventional stripe- and gossamer-like vortex patterns that we have
visualized in this type-1.5 superconductor using Bitter decoration and also
reproduced in numerical simulations. | | Source: | arXiv, 0902.0997 | | Services: | Forum | Review | PDF | Favorites | |
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