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
收藏
页码：59 / 67
页数：9
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