Surface energy of the one-dimensional supersymmetric t - J model with unparallel boundary fields

被引：7

作者：

Wen, Fakai ^{[1
,2
,3
]}

Yang, Zhan-Ying ^{[2
,4
]}

Yang, Tao ^{[1
,2
,4
]}

Hao, Kun ^{[1
,2
]}

Cao, Junpeng ^{[3
,5
,6
]}

Yang, Wen-Li ^{[1
,2
,4
]}

机构：

[1] Northwest Univ Xian, Inst Modern Phys, 229 Taibai Beilu, Xian 710069, Shaanxi, Peoples R China

[2] Shaanxi Key Lab Theoret Phys Frontiers, 229 Taibai Beilu, Xian 710069, Shaanxi, Peoples R China

[3] Chinese Acad Sci, Inst Phys, 8 3rd South St, Beijing 100190, Peoples R China

[4] Northwest Univ Xian, Sch Phys, 229 Taibai Beilu, Xian 710069, Shaanxi, Peoples R China

[5] Univ Chinese Acad Sci, Sch Phys Sci, Beijing, Peoples R China

[6] Collaborat Innovat Ctr Quantum Matter, Beijing, Peoples R China

来源：

JOURNAL OF HIGH ENERGY PHYSICS | 2018年 / 06期

基金：

中国国家自然科学基金;

关键词：

Bethe Ansatz; Lattice Integrable Models; BETHE-ANSATZ; THERMODYNAMIC LIMIT; SPIN CHAIN; SUPERCONDUCTIVITY; SYSTEMS; STATISTICS; EXPONENTS; STATES; BAND; GAS;

D O I：

10.1007/JHEP06(2018)076

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 investigate the thermodynamic limit of the exact solution, which is given by an inhomogeneous T - Q relation, of the one-dimensional supersymmetric t - J model with unparallel boundary magnetic fields. It is shown that the contribution of the inhomogeneous term at the ground state satisfies the L-1 scaling law, where L is the system-size. This fact enables us to calculate the surface (or boundary) energy of the system. The method used in this paper can be generalized to study the thermodynamic limit and surface energy of other models related to rational R-matrices.

引用

页数：17

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