EXACT SOLUTION FOR THE THERMODYNAMICS OF THE ONE-DIMENSIONAL HUBBARD MODEL WITH INFINITE REPULSION IN A MAGNETIC FIELD

被引：0

作者：

Sidorov, K. A. ^{[1
,2
]}

Tikhonov, N. V. ^{[2
]}

Ovchinnikov, S. G. ^{[1
,2
]}

机构：

[1] RAS, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk, Russia

[2] Siberian Fed Univ, Krasnoyarsk, Russia

来源：

THEORETICAL AND MATHEMATICAL PHYSICS | 2014年 / 180卷 / 01期

关键词：

Hubbard model; magnetic field; infinite repulsion; thermodynamics; exact solution; FINITE TEMPERATURES;

D O I：

10.1007/s11232-014-0183-9

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We demonstrate that in the limit of infinite repulsion in a magnetic field, the canonical partition function of the one-dimensional Hubbard model in the nearest-neighbor approximation factors into the product of partition functions of holons and spinons, which can be calculated exactly. We thus obtain exact numerical dependences of the free energy, entropy, internal energy, specific heat, chemical potential, and magnetic susceptibility on the hole concentration, temperature, and magnetic field induction.

引用

页码：835 / 849

页数：15

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