Bethe Ansatz for XXX chain with negative spin

被引：5
|
作者：
Hao, Kun [1 ,2 ]
Kharzeev, Dmitri [3 ,4 ,5 ]
Korepin, Vladimir [2 ]
机构：
[1] Northwest Univ, Inst Modern Phys, Xian 710069, Shaanxi, Peoples R China
[2] SUNY Stony Brook, CN Yang Inst Theoret Phys, Stony Brook, NY 11794 USA
[3] SUNY Stony Brook, Dept Phys & Astron, Stony Brook, NY 11794 USA
[4] Brookhaven Natl Lab, Phys Dept, Upton, NY 11973 USA
[5] Brookhaven Natl Lab, RIKEN BNL Res Ctr, Upton, NY 11973 USA
来源：
INTERNATIONAL JOURNAL OF MODERN PHYSICS A | 2019年 / 34卷 / 31期
基金：
中国国家自然科学基金;
关键词：
Deep-inelastic scattering; quantum integrable models; CFT description; quench velocity; Yang-Yang thermodynamics; Bethe Ansatz; QCD;
D O I：
10.1142/S0217751X19501975
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
XXX spin chain with spin s = -1 appears as an effective theory of Quantum Chromo-dynamics. It is equivalent to lattice nonlinear Schroediger's equation: interacting chain of harmonic oscillators [bosonic]. In thermodynamic limit each energy level is a scattering state of several elementary excitations [lipatons]. Lipaton is a fermion: it can be represented as a topological excitation [soliton] of original [bosonic] degrees of freedom, described by the group Z(2). We also provide the CFT description (including local quenches) and Yang-Yang thermodynamics of the model.
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页数：24
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