Complete wetting in supersymmetric QCD: or why QCD strings can end on domain walls

被引：27

作者：

Campos, A ^{[1
]}

Holland, K ^{[1
]}

Wiese, UJ ^{[1
]}

机构：

[1] MIT, Dept Phys, Nucl Sci Lab, Ctr Theoret Phys, Cambridge, MA 02139 USA

来源：

PHYSICAL REVIEW LETTERS | 1998年 / 81卷 / 12期

关键词：

D O I：

10.1103/PhysRevLett.81.2420

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

As argued by Witten on the basis of M theory, QCD strings can end on domain walls. We present an explanation of this effect in the framework of effective field theories for the Polyakov loop and the gluino condensate in N = 1 supersymmetric QCD. The domain walls separating confined phases with different values of the gluino condensate are completely wet by a layer of deconfined phase at the high-temperature phase transition. As a consequence, even at low temperatures, the Polyakov loop has a nonvanishing expectation value on the domain wall. Thus, close to the wall, the free energy of a static quark is finite and the string emanating from it can end on the wall. [S0031-9007(98)07172-5].

引用

页码：2420 / 2423

页数：4

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