Value Technique Reference Comments
Penetration depth (λ)
λa = ~ 340±5 nm
(for La1.85Sr0.15CuO4, Tc = 28 K,
T = 4.2 K)
scanning Hall probe Chang et al,
APL 61, 1974 (1992)
Imaged 4 vortices, fit several different ways.
Coherence length (ξ)

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