Ultrafast laser pulses shed light on elusive superconducting mechanism

Physicists have used ultra-fast laser pulses to identify the microscopic interactions that drive high-temperature superconductivity. The researchers were able to capture very fine grained data on the speed of the relaxation process and its influence on the properties of the superconducting system, showing that the high-critical temperature of these compounds can be accounted for by purely electronic (magnetic) processes.

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