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An Abelian Ward identity and the vertex corrections to the color superconducting gap
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.
作 者： XU Hao-Jie WANG Qun 作者單位： Interdisciplinary Center for Theoretical Study and Department of Modern Physics, University of Science and Technology of China, Hefei 230026, China 刊 名： 中國物理C（英文版） ISTIC 英文刊名： CHINESE PHYSICS C 年，卷(期)： 2009 33(9) 分類號： O4 關(guān)鍵詞： dense quark matter color superconductivity quantum chromodynamics【An Abelian Ward identity and the ver】相關(guān)文章：