QCD strings ending on domain walls --- a complete wetting phenomenon in SUSY QCD

Details QCD strings ending on domain walls --- a complete wetting phenomenon in SUSY QCD QCD strings ending on domain walls --- a complete wetting phenomenon in SUSY QCD

1998-09-10

arxiv.org/abs/hep-lat/9809062v1

Nucl.Phys.Proc.Suppl. 73 (1999) 438-440

Physics

High Energy Physics

High Energy Physics - Lattice

LATTICE98(hightemp), 3 pages, 2 figures

Scientific paper

10.1016/S0920-5632(99)85097-X

In the context of M-theory, Witten has argued that an intriguing phenomenon occurs, namely that QCD strings can end on domain walls. We present a simpler explanation of this effect using effective field theory to describe the behavior of the Polyakov loop and the gluino condensate in N = 1 supersymmetric QCD. We describe how domain walls separating distinct confined phases appear in this effective theory and how these interfaces are completely wet by a film of deconfined phase at the high-temperature phase transition. This gives the Polyakov loop a non-zero expectation value on the domain wall. Consequently, a static test quark which is close to the interface has a finite free energy and the string emanating from it can end on the wall.

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