Spin-½ ·
Two states, 720° to return
un
seel
.com · SU(2) double-covers SO(3) · S
z
= ±ℏ/2
Rotation θ
0°
Spinor phase
+1
stage
—
|↑⟩ spin up
|↓⟩ spin down
Bloch vector
Spinor phase (±1)
▶ Play
←
→
🔇 Unmute
Reset
Un
seel
.com · Spin-½