Crossover between high and low energy-states in two-coupled chains of Tomonaga model

被引：5

作者：

Tsuchiizu, M

Yoshioka, H

Suzumura, Y

机构：

[1] Department of Physics, Nagoya University

来源：

PROGRESS OF THEORETICAL PHYSICS | 1997年 / 98卷 / 05期

关键词：

D O I：

10.1143/PTP.98.1045

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

By applying the renormalization group method to two-coupled chains in the Tomonaga model, the role of interchain hopping has been studied in the entire energy region. The energy for a crossover from the perturbational regime to the relevant regime becomes smaller than that of the interchain hopping due to one-dimensional fluctuations of the mutual interaction. From the calculation of response functions for charge density waves and superconducting states, the phase diagram of dominant and subdominant states has been obtained in the plane of mutual interactions with fixed energy.

引用

页码：1045 / 1062

页数：18

共 40 条

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