An Abelian Ward identity and the vertex corrections to the color superconducting gap

XU Hao-Jie; WANG Qun

doi:10.1088/1674-1137/33/9/008

Chinese Physics C> 2009, Vol. 33> Issue(9) : 753-758 DOI: 10.1088/1674-1137/33/9/008

An Abelian Ward identity and the vertex corrections to the color superconducting gap

XU Hao-Jie ^, ,
WANG Qun

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Abstract：
We derive an Abelian-like Ward identity in the color superconducting phase and calculate vertex corrections to the color superconducting gap. Making use of the Ward identity, we show that subleading order contributions to the gap from vertices are absent for gapped excitations.

References

[1]

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XU Hao-Jie and WANG Qun. An Abelian Ward identity and the vertex corrections to the color superconducting gap[J]. Chinese Physics C, 2009, 33(9): 753-758. doi: 10.1088/1674-1137/33/9/008

XU Hao-Jie and WANG Qun. An Abelian Ward identity and the vertex corrections to the color superconducting gap[J]. Chinese Physics C, 2009, 33(9): 753-758. doi: 10.1088/1674-1137/33/9/008 shu

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Received: 2008-12-03
Revised: 2009-01-21

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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

An Abelian Ward identity and the vertex corrections to the color superconducting gap

Corresponding author: XU Hao-Jie,

Received Date: 2008-12-03

Accepted Date: 2009-01-21

Available Online: 2009-09-05

Abstract:

We derive an Abelian-like Ward identity in the color superconducting phase and calculate vertex corrections to the color superconducting gap. Making use of the Ward identity, we show that subleading order contributions to the gap from vertices are absent for gapped excitations.

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An Abelian Ward identity and the vertex corrections to the color superconducting gap

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通讯作者: 陈斌, bchen63@163.com

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