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CYCLIC SOFTENING
0.001
0.002
0.003
0.004
0.005
200
-40
-20
0
20
40
Current (mA)
-200
-100
0
100
Voltage (
m
V)
Current
Voltage
Critical current
reduced by AC drive
•
Henderson, Andrei, Higgins - PRL
8
1, 2352 (98)
•
Andrei, Xiao, Henderson, Higgins, Shuk, Greenblatt -
J. Phys. IV,
Pr10
, 5 (1999)
“shaking”
causes vortices to
order
.