Three interaction energy scales in single-layer high-T${}_C$ cuprate HgBa${}_2$CuO${}_{4+\delta }$

S. A. Sreedhar, Antonio Rossi, J. Nayak +10

The lamellar cuprate superconductors exhibit the highest ambient-pressure superconducting transition temperatures (T${}_C$) and, after more than three decades of extraordinary resear…