INTEGRABLE DEFORMATIONS OF THE O(3) SIGMA-MODEL - THE SAUSAGE MODEL

被引：145
|
作者：
FATEEV, VA
ONOFRI, E
ZAMOLODCHIKOV, AB
机构：
[1] INFN, GRP COLL PARMA, I-43100 PARMA, ITALY
[2] UNIV PARMA, DIPARTIMENTO FIS, I-43100 PARMA, ITALY
[3] UNIV MONTPELLIER 2, PHYS MATH LAB, CNRS, URA 768, F-34095 MONTPELLIER, FRANCE
来源：
NUCLEAR PHYSICS B | 1993年 / 406卷 / 03期
关键词：
D O I：
10.1016/0550-3213(93)90001-6
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 consider two one-parameter families of two-dimensional relativistic factorized scattering theories, which are deformations of the ones characteristic for the two-dimensional O(3) sigma models with theta = 0 and theta = pi. The Bethe ansatz technique is applied to these two families to justify their interpretation as the factorized scattering theories of certain O(2)-symmetric deformations of the O(3) sigma model (the sausage model). The result suggests that the sausage model is integrable at the topological angle values theta = 0 or theta = pi.
引用
收藏
页码：521 / 565
页数：45
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