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Slave-boson Keldysh field theory for the Kondo effect in quantum dots

Smirnov, Sergey and Grifoni, Milena (2011) Slave-boson Keldysh field theory for the Kondo effect in quantum dots. Phys. Rev. B 84 (12), pp. 125303-1.

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Abstract

We present a nonequilibrium nonperturbative field theory for the Kondo effect in strongly interacting quantum dots at finite temperatures. Unifying the slave-boson representation with the Keldysh field integral, an effective Keldysh action is derived and explored in the vicinity of the zero slave-bosonic field configuration. The theory properly reflects the essential features of the Kondo physics ...

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Item Type:Article
Date:7 September 2011
Institutions:Physics > Institute of Theroretical Physics > Chair Professor Grifoni > Group Milena Grifoni
Projects:SFB 689: Spinphänomene in reduzierten Dimensionen
Identification Number:
ValueType
10.1103/PhysRevB.84.125303DOI
Classification:
NotationType
72.15.QmPACS
73.63.-bPACS
72.10.FkPACS
Keywords:Keldysh field integral, Kondo effect, quantum dots
Subjects:500 Science > 530 Physics
Status:Published
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Yes
Owner: Sergey Smirnov
Deposited On:08 Sep 2011 08:07
Last Modified:16 May 2012 08:33
Item ID:22082
Owner Only: item control page
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