Impurity quantum phase transition in a current-carrying d-wave superconductor

Hua Chen; Yezheng Wu; Shuxiang Yang; Jianhui Dai; Jian Xin Zhu

doi:10.1103/PhysRevB.85.205139

Impurity quantum phase transition in a current-carrying d-wave superconductor

Hua Chen
, Yezheng Wu
, Shuxiang Yang
, Jianhui Dai
, Jian Xin Zhu

Los Alamos National Laboratory

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

Abstract

We study an Anderson impurity embedded in a d-wave superconductor carrying a supercurrent. The low-energy impurity behavior is investigated by using the numerical renormalization group method developed for arbitrary electronic bath spectra. The results explicitly show that the local impurity state is completely screened upon the nonzero current intensity. The impurity quantum criticality is in accordance with the well-known Kosterlitz-Thouless transition.

Original language	English
Article number	205139
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	85
Issue number	20
DOIs	https://doi.org/10.1103/PhysRevB.85.205139
State	Published - May 29 2012

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title = "Impurity quantum phase transition in a current-carrying d-wave superconductor",

abstract = "We study an Anderson impurity embedded in a d-wave superconductor carrying a supercurrent. The low-energy impurity behavior is investigated by using the numerical renormalization group method developed for arbitrary electronic bath spectra. The results explicitly show that the local impurity state is completely screened upon the nonzero current intensity. The impurity quantum criticality is in accordance with the well-known Kosterlitz-Thouless transition.",

author = "Hua Chen and Yezheng Wu and Shuxiang Yang and Jianhui Dai and Zhu, \{Jian Xin\}",

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AU - Chen, Hua

AU - Wu, Yezheng

AU - Yang, Shuxiang

AU - Dai, Jianhui

AU - Zhu, Jian Xin

PY - 2012/5/29

Y1 - 2012/5/29

N2 - We study an Anderson impurity embedded in a d-wave superconductor carrying a supercurrent. The low-energy impurity behavior is investigated by using the numerical renormalization group method developed for arbitrary electronic bath spectra. The results explicitly show that the local impurity state is completely screened upon the nonzero current intensity. The impurity quantum criticality is in accordance with the well-known Kosterlitz-Thouless transition.

AB - We study an Anderson impurity embedded in a d-wave superconductor carrying a supercurrent. The low-energy impurity behavior is investigated by using the numerical renormalization group method developed for arbitrary electronic bath spectra. The results explicitly show that the local impurity state is completely screened upon the nonzero current intensity. The impurity quantum criticality is in accordance with the well-known Kosterlitz-Thouless transition.

UR - https://www.scopus.com/pages/publications/84861835299

U2 - 10.1103/PhysRevB.85.205139

DO - 10.1103/PhysRevB.85.205139

M3 - Article

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JO - Physical Review B - Condensed Matter and Materials Physics

JF - Physical Review B - Condensed Matter and Materials Physics

IS - 20

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Impurity quantum phase transition in a current-carrying d-wave superconductor

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