Conductance characteristics of current-carrying d-wave weak links
S.N. Shevchenko
TL;DR
This paper theoretically investigates the conductance and local quasiparticle density of states in current-carrying d-wave superconducting structures, focusing on homogeneous films and weak links, with implications for scanning tunnelling microscopy.
Contribution
It introduces a theoretical analysis of conductance characteristics in current-carrying d-wave weak links, highlighting the effects on quasiparticle density of states.
Findings
Density of states varies with current in d-wave superconductors
Conductance measurements can reveal quasiparticle states
Differences between homogeneous films and weak links are characterized
Abstract
The local quasiparticle density of states in the current-carrying d-wave superconducting structures was studied theoretically. The density of states can be accessed through the conductance of the scanning tunnelling microscope. Two particular situations were considered: the current state of the homogeneous film and the weak link between two current-carrying d-wave superconductors.
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