Knot soliton in Weinberg-Salam model

被引：8

作者：

Fayzullaev, BA ^{[1
]}

Musakhanov, MM

Pak, DG

Siddikov, M

机构：

[1] Uzbekistan Natl Univ, Dept Theoret Phys, Tashkent 700174, Uzbekistan

[2] Pusan Natl Univ, Dept Phys, Pusan 609735, South Korea

[3] Seoul Natl Univ, Ctr Theoret Phys, Seoul 151742, South Korea

[4] Ruhr Univ Bochum, Inst Theoret Phys 2, D-44780 Bochum, Germany

来源：

PHYSICS LETTERS B | 2005年 / 609卷 / 3-4期

关键词：

knot; standard model;

D O I：

10.1016/j.physletb.2005.01.076

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We study numerically the topological knot solution suggested recently in the Weinberg-Salarn model. Applying the SU(2) gauge-invariant Abelian projection we demonstrate that the restricted part of the Weinberg-Salarn Lagrangian containing the interaction of the neutral boson with the Higgs scalar can be reduced to the Ginzburg-Landau model with the hidden SU(2) symmetry. The energy of the knot composed from the neutral boson and Higgs field has been evaluated by using the variational method with a modified Ward ansatz. The obtained numerical value is 39 TeV which provides the upper bound on the electroweak knot energy. (c) 2005 Elsevier B.V. All rights reserved.

引用

页码：442 / 448

页数：7

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