Type-1.5 Superconducting State from an Intrinsic Proximity Effect in Two-Band Superconductors

Oct, 2009
5 pages
Published in:
  • Phys.Rev.Lett. 105 (2010) 067003
e-Print:

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Abstract: (arXiv)
We show that in multiband superconductors even small interband proximity effect can lead to a qualitative change in the interaction potential between superconducting vortices by producing long-range intervortex attraction. This type of vortex interaction results in unusual response to low magnetic fields leading to phase separation into domains of a two-component Meissner states and vortex droplets.