Is Such A Thing Possible At All?
‘t Hooft, Mandelstam, Nambu: A thin flux
tube connects the quarks and keeps them
from being liberated.
This can happen to magnetic monopoles
submerged in a superconductor.
Dual Superconductor Picture.
Can this be proven in Quantum
Chromodynamics (QCD), the best
candidate theory of Quarks and Gluons?