BOSONIZATION FOR 2D INTERACTING FERMION SYSTEMS: NON-FERMI LIQUID BEHAVIOR

被引：2

作者：

Yu, Y. ^{[1
]}

Li, Y. M. ^{[1
]}

d'Ambrumenil, N. ^{[1
]}

机构：

[1] Univ Warwick, Dept Phys, Coventry CV4 7AL, W Midlands, England

来源：

MODERN PHYSICS LETTERS B | 1994年 / 8卷 / 01期

关键词：

D O I：

10.1142/S0217984994000078

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Non-Fermi liquid behavior is found for the first time in a two-dimensional (2D) system with nonsingular interactions using Haldane's bosonization scheme. The bosonized system is solved exactly by a generalized Bogolubov transformation. The fermion momentum distribution, calculated using a generalized Mattis-Lieb technique, exhibits a nonuniversal power law in the vicinity of the Fermi surface for intermediate interaction strengths.

引用

页码：59 / 67

页数：9

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