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The investigation of complex materials such as high-temperature superconductors is problematic because of the presence of disorder and many competing interactions in real crystalline materials. "This makes it difficult to identify the role of specific interactions and, in particular, to decide whether repulsive interactions between electrons alone can explain high-temperature superconductivity," says Dr. Theodoulos Costi from the Institute of Solid State Research, Forschungszentrum Jülich, which is a member of the Helmholtz Association.

Science2005: The New Research Ecology is the University of Pittsburgh’s fifth annual broad-based...

Scientifc American magazine has placed two National Center for Atmospheric Research (NCAR)...

NASA Ames Research Center, Moffett Field, California: The AMTI contract at NASA Ames Research...