Mixed state microwave resistivity of cuprate superconductors
N. Pompeo, L. Muzzi, S. Sarti, R. Marcon, R. Fastampa, M. Giura, M., Boffa, M.C. Cucolo, A.M. Cucolo, C. Camerlingo, E. Silva
TL;DR
This paper investigates the microwave vortex-state resistivity in various cuprate superconductors, revealing different dominant mechanisms such as flux flow and pair breaking depending on the material.
Contribution
It provides a comparative experimental analysis of vortex-state resistivity in multiple cuprate superconductors at 48 GHz, highlighting different underlying physical processes.
Findings
YBaCuO and SmBaCuO show flux flow and pair breaking effects
BiSrCaCuO (2212) data suggest pair breaking as the main mechanism
Different cuprates exhibit distinct vortex response behaviors
Abstract
We present a compared experimental investigation of the (a,b) plane vortex-state complex resistivity at 48 GHz in YBaCuO, SmBaCuO and BiSrCaCuO (2212). In YBaCuO and SmBaCuO the field dependence of the response can be consistently described by a combination of flux flow and strong pair breaking due to the presence of lines of nodes in the gap. In BiSrCaCuO (2212), by contrast, the data might be described by the pair breaking alone.
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