lTRANSITION FROM METASTABLE
DISORDERED TO STABLE ORDERED VORTEX LATTICE IS DRIVEN BY CURRENT ASSISTED
NUCLEATION OF THE STABLE PHASE.
` t<td NUCLEATION OF ORDERED REGIONS LEADS
TO CURRENT PENETRATION INTO SAMPLE. FRONT OF PENETRATING
CURRENT IS
"SMOOTH". a >0
` td - VOLTAGE RESPONSE APPEARS AFTER FORMATION OF FIRST CHANNEL CONNECTING SAMPLE EDGES.
` . t>td MORE ORDERED CHANNELS.