Research report 2011 - Max Planck Institute for Chemical Physics of Solids

Zero resistance by magnetism

Stockert, Oliver; Arndt, Julia; Jeevan, Hirale S.; Geibel, Christoph; Steglich, Frank
Festkörperphysik (Frank Steglich)
The question about the origin of unconventional superconductivity is one of the central issues in current condensed matter physics. Within an international collaboration scientists from the Max Planck Institute for Chemical Physics of Solids discovered that magnetic interactions are responsible for the Cooper pair formation and hence for the lossless current transport. While in conventional superconductors magnetism is detrimental for superconductivity, magnetism is an essential prerequisite for superconductivity in materials displaying unconventional superconductivity.

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