Table 2 Orders stabilized by coincident Van Hove points and corresponding symmetries and eigenvalues
From: Altermagnetism from coincident Van Hove singularities: application to κ-Cl
Instability | Eigenvalue |
|---|---|
d-wave altermagnetism: \(\widetilde{{\tau }_{z}}\sigma \sim {k}_{x}{k}_{y}\sigma\) | \({\chi }_{ph}^{intra}| {g}_{2}|\) |
Nematicity: \(\widetilde{{\tau }_{x}} \sim {k}_{x}{k}_{y}\) | \({\chi }_{ph}^{inter}| {g}_{1}|\) |
Orbital altermagnetism: \(\widetilde{{\tau }_{y}}\) | \({\chi }_{ph}^{inter}| {g}_{1}|\) |
d-wave SC: \(\widetilde{{\tau }_{x}}(i{\sigma }_{y}) \sim {k}_{x}{k}_{y}(i{\sigma }_{y})\) | \({\chi }_{pp}^{inter}| {g}_{1}+{g}_{2}|\) |
