Abstract
The penetration depth is a magnetic field mechanism by which an external magnetic field penetrates into superconductors’ surfaces and is related to the Meissner effect. The penetration depth property was studied by the semiclassical approach to identify other properties of superconductors. In this study, we investigated the penetration depth of the H3S superconductor under external pressure. The H3S superconductor is high Tc, s-wave isotropic, and high pressure prepared superconductors. We derive an analytical equation for the near-zero temperature penetration depth with pressure effect parameters. The derived equations were then numerically calculated and predicted the experimental data on H3S superconductor penetration depth. We discovered that the temperature dependent penetration depth under pressure of H3S superconductor is reasonable at Tc(χ = 473, ε0 = 91,Qp = 0.1) = 200.832 K. , as well as is the influence of the directly parameter on Tc(χ,ε0,Qp), Δ(0,χ,ε0,Qp), and λ(T,χ,ε0,Qp)/λ(0,χ,ε0,Qp), with Qp>0.1 does not corresponding theory
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