Superconducting duo
Mar 10, 2004
The remarkably robust superconductivity
of the metal alloy CeCu2Si2 has been a
long-standing mystery to condensed-matter
physicists. For a start, this material is able
to behave as a superconductor despite having
strong magnetic properties. However,
it appears that the mystery of CeCu2Si2 (cerium–copper–silicon) has now been
solved. Groups at the Max Planck Institute
for Chemical Physics of Solids in Dresden,
Germany, and the University of Geneva,
Switzerland, have shown that the unique
stability of superconductivity in CeCu2Si2 is a result of two distinct quantum critical
points that are located close together.
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