Re-examination of electronic transports through a quantum wire coupled to a quantum dot

Details Re-examination of electronic transports through a quantum wire coupled to a quantum dot Re-examination of electronic transports through a quantum wire coupled to a quantum dot

1999-12-11

arxiv.org/abs/cond-mat/9912197v1

Physics

Condensed Matter

latex, 26 pages, to appear in Phys. Rev. B61, January 15/2000

Scientific paper

10.1103/PhysRevB.61.2911

In this paper we re-examine the problem of electronic transports through a system consisting of a quantum dot which has well-defined discrete energy levels connected to an infinite quantum wire, using the bosonization method and phase shift representation, we show that all previously known results can be obtained through our method in a very simple way. Furthermore, the evolution of the system from ultraviolet to infrared critical fixed points appears naturally our method.

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