Flux Quantum Dot Art

$$ \Phi_0 = \frac{h}{2e} \approx 2.067833848 \times 10^{-15} \textrm{ Wb} \approx 2.07 \textrm{ mV} \cdot \textrm{ps} $$

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$$ \Phi_0 \equiv \frac{h}{2e} $$