disorders

Physics

Researchers use terahertz light pulses to uncover superconducting disorders

In the cuprate superconductor La1.83Sr0.17CuO4, interlayer tunneling inherits spatial disorder, which can be measured using isolated Josephson echoes in angle-resolved two-dimensional terahertz spectroscopy. Credit: Jörg Harms, MPSD A team of researchers from the Max Planck Institute for the Structure and Dynamics of Matter (MPSD) in Hamburg, Germany, and Brookhaven National Laboratory in the United States has demonstrated a new way…