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Author:

Yang, Kai-Hua (Yang, Kai-Hua.) | He, Xian (He, Xian.) | Wang, Huai-Yu (Wang, Huai-Yu.) | Liu, Kai-Di (Liu, Kai-Di.) | Liu, Bei-Yun (Liu, Bei-Yun.)

Indexed by:

EI Scopus SCIE

Abstract:

We study the shot noise of a strongly correlated quantum dot weakly coupled to Luttinger liquid leads in the Kondo regime by means of the extended equation of motion method. A general zero-frequency shot noise formula with good convergence is derived. The shot noise exhibits a non-monotonic dependence on voltage for weak intralead interaction. There is a peak around the Kondo temperature at low voltage when the interaction is very weak, and its height decreases rapidly with the intralead interaction increasing. When the interaction is moderately strong the peak disappears and the shot noise scales as a power law in bias voltage, indicating that the intralead electron interaction suppresses the shot noise. It is possible that the measurements of the shot noise spectrum can extract the information of the intralead interaction. (C) 2014 Elsevier B.V. All rights reserved.

Keyword:

Luttinger liquid Shot noise Kondo effect

Author Community:

  • [ 1 ] [Yang, Kai-Hua]Beijing Univ Technol, Coll Appl Sci, Beijing 100122, Peoples R China
  • [ 2 ] [He, Xian]Beijing Univ Technol, Coll Appl Sci, Beijing 100122, Peoples R China
  • [ 3 ] [Liu, Kai-Di]Beijing Univ Technol, Coll Appl Sci, Beijing 100122, Peoples R China
  • [ 4 ] [Liu, Bei-Yun]Beijing Univ Technol, Coll Appl Sci, Beijing 100122, Peoples R China
  • [ 5 ] [Wang, Huai-Yu]Tsinghua Univ, Dept Phys, Beijing 100084, Peoples R China

Reprint Author's Address:

  • [Yang, Kai-Hua]Beijing Univ Technol, Coll Appl Sci, Beijing 100122, Peoples R China

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Source :

PHYSICS LETTERS A

ISSN: 0375-9601

Year: 2014

Issue: 42

Volume: 378

Page: 3136-3143

2 . 6 0 0

JCR@2022

ESI Discipline: PHYSICS;

ESI HC Threshold:202

JCR Journal Grade:2

CAS Journal Grade:3

Cited Count:

WoS CC Cited Count: 4

SCOPUS Cited Count: 4

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 7

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