Fine structure in magnetization of individual fluxoid states

@article{Geim2000FineSI,
  title={Fine structure in magnetization of individual fluxoid states},
  author={Geim and Dubonos and Palacios and Grigorieva and Henini and Schermer},
  journal={Physical review letters},
  year={2000},
  volume={85 7},
  pages={
          1528-31
        }
}
Each time a vortex enters or exits a small superconductor, a different fluxoid state develops which can be characterized by its vorticity, i.e., the number of fluxoids inside. We have studied magnetization response of such individual states and found clear signatures of first and second order transitions within the states, which reveal the existence of distinct vortex phases for a fixed number of fluxoids. We attribute the transitions to the merger of individual vortices into a single giant… Expand

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