Reflection amplitudes in non-simply laced Toda theories and thermodynamic Bethe ansatz

被引：20

作者：

Ahn, C ^{[1
]}

Baseilhac, P

Fateev, VA

Kim, C

Rim, C

机构：

[1] Ewha Womans Univ, Dept Phys, Seoul 120750, South Korea

[2] Asia Pacific Ctr Theoret Phys, Seoul 135080, South Korea

[3] Univ York, Dept Math, York YO10 5DD, N Yorkshire, England

[4] Univ Montpellier 2, Phys Math Lab, F-34095 Montpellier, France

[5] LD Landau Theoret Phys Inst, Moscow 117334, Russia

[6] Sch Phys, Korea Inst Adv Study, Seoul 130012, South Korea

[7] Chonbuk Natl Univ, Dept Phys, Chonju 561756, South Korea

来源：

PHYSICS LETTERS B | 2000年 / 481卷 / 01期

关键词：

D O I：

10.1016/S0370-2693(00)00417-2

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We study the ultraviolet asymptotics in non-simply laced affine Toda theories considering them as perturbed non-affine Toda theories, which possess the extended conformal symmetry. We calculate the reflection amplitudes, in non-affine Toda theories and use them to derive the quantization condition for the vacuum wave function, describing zero-mode dynamics. The solution of this quantization conditions for the ground state energy determines the UV asymptotics of the effective central charge. These asymptotics are in a good agreement with Thermodynamic Bethe Ansatz (TBA) results. To make the comparison with TEA possible, we give the exact relations between parameters of the action and masses of particles as well as the bulk free energies for non-simply laced affine Toda theories. (C) 2000 Elsevier Science B.V. All rights reserved.

引用

页码：114 / 124

页数：11

共 14 条

[1] Hidden relation between reflection amplitudes and thermodynamic Bethe ansatz [J].