Non-Abelian global vortices

被引：18

作者：

Eto, Minoru ^{[1
,2
]}

Nakano, Eiji ^{[3
]}

Nitta, Muneto ^{[4
]}

机构：

[1] Ist Nazl Fis Nucl, Sez Pisa, I-56127 Pisa, Italy

[2] Univ Pisa, Dept Phys, I-56127 Pisa, Italy

[3] GSI Darmstadt, Extreme Matter Inst, D-64291 Darmstadt, Germany

[4] Keio Univ, Dept Phys, Kanagawa 2238521, Japan

来源：

NUCLEAR PHYSICS B | 2009年 / 821卷 / 1-2期

基金：

日本学术振兴会;

关键词：

CHIRAL-SYMMETRY; PHASE; STRINGS; VORTEX; MODULI;

D O I：

10.1016/j.nuclphysb.2009.06.013

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

We study topologically stable non-Abelian global vortices in the U(N) linear sigma model. The profile functions of the solutions are numerically obtained. We investigate the behavior of vortices in two limits in which masses of traceless or trace parts of massive bosons are much larger than the others. In the limit that the traceless parts are much heavier, we find a somewhat bizarre vortex solution which can be identified with Abelian vortex with a non-integer U(1) winding number 1 root N which is irrational in general. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：129 / 150

页数：22

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