T. Jarlborg
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Positron annihilation in TiBe/sub 2/ Open
We report positron annihilation measurements on TiBe/sub 2/. Calculations using LMTO band structure method are also presented. The good agreement with the experimental data leads to the conclusion that the unusual magnetic properties of th…
Scale-Free Distribution of Oxygen Interstitial Wires in Optimum-Doped HgBa2CuO4+y Open
Novel nanoscale probes are opening new venues for understanding unconventional electronic and magnetic functionalities driven by multiscale lattice complexity in doped high-temperature superconducting perovskites. In this work, we focus on…
Possible Benefits from Phonon/Spin-Wave Induced Gaps below or above EF for Superconductivity in High-TC Cuprates Open
A phonon of appropriate momentum kF will open a band gap at the Fermi energy EF. The gap within the electronic density-of-states (DOS), N(EF), leads to a gain in electronic energy and a loss of elastic energy because of the gap-generating …
Breakdown of the Migdal approximation at Lifshitz transitions with giant zero-point motion in the H<sub>3</sub>S superconductor Open
While 203 K high temperature superconductivity in H3S has been interpreted by BCS theory in the dirty limit here we focus on the e ects of hydrogen zero-point-motion and the multiband electronic structure relevant for multigap superconduct…