Strong diamagnetic response in split-ring-resonator metamaterials: Numerical study and two-loop model
Strong diamagnetic response in split-ring-resonator metamaterials: Numerical study and two-loop model
We demonstrate that there is a strong diamagnetic response of metamaterials, consisting of open or closed split-ring resonators (SRRs). Detailed numerical work shows that for densely packed SRRs, the magnetic permeability $\ensuremath{\mu}(\ensuremath{\omega})$ does not approach unity, as expected for frequencies lower and higher than the resonance frequency ${\ensuremath{\omega}}_{0}$. Below ${\ensuremath{\omega}}_{0}$, …