Double sine-Gordon model revisited

被引：25
|
作者：
Takács, G [1 ]
Wágner, F [1 ]
机构：
[1] Hungarian Acad Sci, Theoret Phys Res Grp, H-1117 Budapest, Hungary
来源：
NUCLEAR PHYSICS B | 2006年 / 741卷 / 03期
基金：
匈牙利科学研究基金会;
关键词：
D O I：
10.1016/j.nuclphysb.2006.02.004
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 reconsider the mass spectrum of double sine-Gordon theory where recent semiclassical results called into question the previously accepted picture. We use the truncated conformal space approach (TCSA) to investigate the claims. We demonstrate that the numerics supports the original results, and strongly disagrees with those obtained from semiclassical soliton form factor techniques. Besides the numerical analysis, we also discuss the underlying theoretical arguments. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：353 / 367
页数：15
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