Stefano Bolognesi

Nonabelian superconductors: vortices and confinement in N=2 SQCD

We study nonabelian vortices (flux tubes) in SU(N) gauge theories, which are nresponsible for the confinement of (nonabelian) magnetic monopoles. In nparticular a detailed analysis is given of

Non-Abelian monopoles and the vortices that confine them

{cal N}=2

Monopoles can be confined by 0, 1 or 2 vortices

SQCD with gauge group nSU(3) deformed by a small adjoint chiral multiplet mass. Tuning the bare quark nmasses (which we take to be large) to a common value

Domain walls and flux tubes

m

The Sakai-Sugimoto soliton.

, we consider a nparticular vacuum of this theory in which an SU(2) subgroup of the gauge group nremains unbroken. We consider

The holomorphic tension of vortices

5 ge N_f ge 4

Non-Abelian magnetic monopoles and dynamics of confinement

flavors so that the SU(2) nsub-sector remains non asymptotically free: the vortices carrying nonabelian nfluxes may be reliably studied in a semi-classical regime. We show that the nvortices indeed acquire exact zero modes which generate global rotations of the nflux in an

Stable vs. unstable vortices in SQCD

SU(2)_{C+F}

Non-Abelian monopoles

group. We study an effective world-sheet theory of nthese orientational zero modes which reduces to an

A low-dimensional analogue of holographic baryons

{cal N}=2