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Dirac fluid parameters.
| vF (eVÅ) | ϵr | α = e2/ϵ0ϵrℏvF | |
|---|---|---|---|
| ED in vacuum | 2 × 103 | 1 | 1/137 |
| hBN/graphene/hBN | 6.6 | 2.2–4.0 | 0.5–1.0 |
| Sc-Herbertsmithite | 1.0 | 5.0 ± 0.5 | 2.9 ± 0.3 |
Fermi velocity vF, relative dielectric constant ϵr and fine-structure constant α for electrodynamics in vacuum, (hBN encapsulated) graphene and stochiometric Scandium-substituted Herbertsmithite.
