Table 1 Character table for C2v point group for k points along ΓX (top) and ΓY (bottom)
From: Accessing valley degree of freedom in bulk Tin(II) sulfide at room temperature
C2v (ΓX) | E | C2(x) | σv(xy) | σv(xz) | Position vectors | Bands |
|---|---|---|---|---|---|---|
A1 | +1 | +1 | +1 | +1 | x | |
A2 | +1 | +1 | −1 | −1 | ||
B1 | +1 | −1 | +1 | −1 | y | |
B2 | +1 | −1 | −1 | +1 | z | CB, VB |
C2v (ΓY) | E | C2(y) | σv(yz) | σv(xy) | Position vectors | Bands |
|---|---|---|---|---|---|---|
A1 | +1 | +1 | +1 | +1 | y | CB, VB |
A2 | +1 | +1 | −1 | −1 | ||
B1 | +1 | −1 | +1 | −1 | z | |
B2 | +1 | −1 | −1 | +1 | x |