Facets of confinement and dynamical chiral symmetry breaking

被引：54
|
作者：
Maris, P [1 ]
Raya, A
Roberts, CD
Schmidt, SM
机构：
[1] N Carolina State Univ, Dept Phys, Raleigh, NC 27695 USA
[2] Univ Michoacana, Inst Fis & Matemat, Morelia, Michoacan, Mexico
[3] Argonne Natl Lab, Div Phys, Argonne, IL 60439 USA
[4] Univ Rostock, Fachbereich Phys, D-18051 Rostock, Germany
[5] Helmholtz Gemeinschaft, D-53175 Bonn, Germany
来源：
EUROPEAN PHYSICAL JOURNAL A | 2003年 / 18卷 / 2-3期
关键词：
D O I：
10.1140/epja/i2002-10206-6
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
The gap equation is a cornerstone in understanding dynamical chiral symmetry breaking and may also provide clues to confinement. A symmetry-preserving truncation of its kernel enables proofs of important results and the development of an efficacious phenomenology. We describe a model of the kernel that yields: a momentum-dependent dressed-quark propagator in fair agreement with quenched lattice-QCD results; and chiral limit values, f(pi)(0) = 68 MeV and ((q) over barq) = -(190 MeV)(3). It is compared with models inferred from studies of the gauge sector.
引用
收藏
页码：231 / 235
页数：5
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