Interactive · Vortex-lattice elasticity
The Substrate Mattress — Three Stiffnesses
elastic moduli of the dc1 vortex lattice — c44 ≫ c11 ∼ c66
One lattice of co-rotating dc1 vortices threaded by vortex lines; three ways to deform it, three very different energy costs.
Perturbation
auto
Energy cost of the deformation
c44
at rest
c11
at rest
c66
at rest
co-rotating dc1 vortex
counter-rotating layer
vortex line (line tension → c44)