Boundary states and finite size effects in sine-Gordon model with Neumann boundary condition

被引：26

作者：

Bajnok, Z ^{[1
]}

Palla, L ^{[1
]}

Takács, G ^{[1
]}

机构：

[1] Eotvos Lorand Univ, Inst Theoret Phys, H-1117 Budapest, Hungary

来源：

NUCLEAR PHYSICS B | 2001年 / 614卷 / 03期

基金：

匈牙利科学研究基金会;

关键词：

sine-Gordon model; boundary conditions; bound states; bootstrap; finite size effects; truncated conformal space approach;

D O I：

10.1016/S0550-3213(01)00391-1

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：

The sine-Gordon model with Neumann boundary condition is investigated. Using the bootstrap principle the spectrum of boundary bound states is established. Somewhat surprisingly it is found that Coleman-Thun diagrams and bound state creation may coexist. A framework to describe finite size effects in boundary integrable theories is developed and used together with the truncated conformal space approach to confirm the bound states and reflection factors derived by bootstrap. (C) 2001 Published by Elsevier Science B.V.

引用

页码：405 / 448

页数：44

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