ASYMPTOTIC TUNNELING CONDUCTANCE IN LUTTINGER LIQUIDS

被引：38
|
作者：
GUINEA, F
SANTOS, GG
SASSETTI, M
UEDA, M
机构：
[1] UNIV AUTONOMA MADRID,DEPT FIS MAT CONDENSADA,E-28049 MADRID,SPAIN
[2] UNIV GENOA,INFM,IST FIS INGN,I-16146 GENOA,ITALY
[3] HIROSHIMA UNIV,DEPT PHYS ELECTR,HIGASHIHIROSHIMA 724,JAPAN
来源：
EUROPHYSICS LETTERS | 1995年 / 30卷 / 09期
关键词：
D O I：
10.1209/0295-5075/30/9/010
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Conductance through weak constrictions in Luttinger liquids is shown to vanish with frequency omega as c(1)w(2) + c(2) omega(2/g-2), where g is a dimensionless parameter characterizing the Luttinger-liquid phase, and c(1) and c(2) are non-universal constants. The first term arises from the <<Coulomb blockade>> effect and dominates for g < 1/2, whereas the second results from eliminating high-energy modes and dominates for g > 1/2.
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页码：561 / 566
页数：6
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