Magnetic
Vector Potential
un
seel
.com · B = ∇ × A · Gauge freedom · Aharonov–Bohm
|A| at path
0.00
T·m
B outside
0.00
T
AB phase
0.0
π
state
standby
Vector potential A (circulates)
Solenoid flux Φ (source)
Electron wave-packets
Recombined phase / B = ∇×A
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.com · Magnetic Vector Potential