VORTEX-VORTEX
INTERACTIONS
a
o
~(
F
o
/B)
1/2
-
Interactions
-
SHEAR rigidity
z
crystal
H. Hess 1986
H
C2
H
T
c
c1
Normal State
Vortex state
Meissner
State
H
T
Vortex Lattice
Crystal
Liquid
Fluctuations -
T
z
Liquid
z
first order transition