Table 2 BCS weak-coupling limit values for 2Δ(0)/kBTc and ΔC/C for s−, d−, p−, and d + id-wave superconducting gap symmetries28,59.
From: Classifying superconductivity in Moiré graphene superlattices
Pairing symmetry and experiment geometry | \(\frac{{\bf{2}}\cdot {\boldsymbol{\Delta }}({\bf{0}})}{{{\boldsymbol{k}}}_{{\boldsymbol{B}}}\cdot {{\boldsymbol{T}}}_{{\boldsymbol{c}}}}\) or \(\frac{{\bf{2}}\cdot {{\boldsymbol{\Delta }}}_{{\boldsymbol{m}}}({\bf{0}})}{{{\boldsymbol{k}}}_{{\boldsymbol{B}}}\cdot {{\boldsymbol{T}}}_{{\boldsymbol{c}}}}\) | \(\frac{{\boldsymbol{\Delta }}{\boldsymbol{C}}}{{\boldsymbol{C}}}\) |
|---|---|---|
s-wave | 3.53 | 1.43 |
d-wave | 4.28 | 0.995 |
p-wave; polar A⊥l | 4.924 | 0.792 |
p-wave; polar A||l | 4.924 | 0.792 |
p-wave; axial A⊥l | 4.058 | 1.188 |
p-wave; axial A||l | 4.058 | 1.188 |
d + id | 3.85 | depends on the ratio of two gap amplitudes; \(0.995\le \frac{\Delta C}{C}\le 1.43\) |
