Table 1 Schematic diagram of electronic configurations of the states stabilized by electric field and magnetic field.
From: Competing ordered states with filling factor two in bilayer graphene
K↑ | K↓ | K′↑ | K′↓ | G (e2/h) | Layer polarization | |
|---|---|---|---|---|---|---|
Quantum anomalous Hall | T | T | B | B | 4 | No |
Layer antiferromagnet | T | B | T | B | 0 | No |
Quantum spin Hall | T | B | B | T | 4 | No |
Quantum valley Hall | T | T | T | T | 0 | Yes |
n=2 quantum Hall state | T | T | B | T | 2 | Yes |
Kekulé order (at finite B) | T | T&B | B | T&B | 2 | No |
