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Dyson-Schwinger equations with a parametrized metric
Yuan, W; Qin, SX; Chen H(陈欢); Chen, HA; Liu, YX
2010
发表期刊PHYSICAL REVIEW D
卷号81期号:11页码:114022
通讯作者[Yuan, Wei ; Qin, Si-xue ; Liu, Yu-xin] Peking Univ, Dept Phys, Beijing 100871, Peoples R China ; [Yuan, Wei ; Qin, Si-xue ; Liu, Yu-xin] Peking Univ, State Key Lab Nucl Phys & Technol, Beijing 100871, Peoples R China ; [Chen, Huan] Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China ; [Liu, Yu-xin] Natl Lab Heavy Ion Accelerator, Ctr Theoret Nucl Phys, Lanzhou 730000, Peoples R China
文章类型Article
摘要We construct and solve the Dyson-Schwinger equation of a quark propagator with a parameterized metric, which connects the Euclidean metric with the Minkowskian one. We show, in some models, that the Minkowskian vacuum is different from the Euclidean vacuum. The usual analytic continuation of the Green function does not make sense in these cases. While with the algorithm we proposed and the quark-gluon vertex ansatz which preserves the Ward-Takahashi identity, the vacuum keeps being unchanged in the evolution of the metric. In this case, analytic continuation becomes meaningful and can be fully carried out.
学科领域Astronomy & Astrophysics; Physics
DOI10.1103/PhysRevD.81.114022
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语种英语
WOS研究方向Astronomy & Astrophysics ; Physics
WOS类目Astronomy & Astrophysics ; Physics, Particles & Fields
WOS记录号WOS:000278726300001
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/240950
专题理论物理室
作者单位中国科学院高能物理研究所
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GB/T 7714
Yuan, W,Qin, SX,Chen H,et al. Dyson-Schwinger equations with a parametrized metric[J]. PHYSICAL REVIEW D,2010,81(11):114022.
APA Yuan, W,Qin, SX,陈欢,Chen, HA,&Liu, YX.(2010).Dyson-Schwinger equations with a parametrized metric.PHYSICAL REVIEW D,81(11),114022.
MLA Yuan, W,et al."Dyson-Schwinger equations with a parametrized metric".PHYSICAL REVIEW D 81.11(2010):114022.
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