QCD string breaking in strong magnetic field

被引：23
|
作者：
Chernodub, M. N. [1 ,2 ,3 ]
机构：
[1] Univ Tours, CNRS, Lab Math & Phys Theor, F-37200 Tours, France
[2] Far Eastern Fed Univ, Sch Biomed, Vladivosotok 690950, Russia
[3] Univ Ghent, Dept Phys & Astron, Ghent, Belgium
来源：
MODERN PHYSICS LETTERS A | 2014年 / 29卷 / 30期
关键词：
Quantum chromodynamics; strong magnetic field; quark confinement; QCD string breaking; CHIRAL-SYMMETRY BREAKING; CATALYSIS; TRANSITION; EVENT;
D O I：
10.1142/S0217732314501624
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
At sufficiently large separation between a quark and an antiquark the quantum chromodynamics (QCD) string breaks into parts due to creation of light quark-antiquark pairs. We show that a background magnetic field affects the breaking of the QCD string oriented in the transverse directions with respect to the axis of the magnetic field. Using semiclassical approach we argue that above certain, the background magnetic field eB approximate to 0.3 GeV2 breaking of the transverse string should become energetically unfavorable.
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页数：10
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