Colour-Electric and Colour-Magnetic Confinement

IF 0.6 4区 物理与天体物理 Q4 PHYSICS, PARTICLES & FIELDS
N. O. Agasian, Z. V. Khaidukov, M. S. Lukashov, Yu. A. Simonov
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引用次数: 0

Abstract

The basic properties of the confinement mechanism in QCD—the temperature dependence of the spatial and temporal string tensions (\({{\sigma }_{{\text{s}}}}(T)\) and \({{\sigma }_{{\text{E}}}}(T)\))—are studied in the framework of the Field Correlator Method (FCM). It is shown that both functions are connected respectively to the spatial and temporal parts of the vacuum gluon energy \({{\epsilon }_{{\text{s}}}}\) and \({{\epsilon }_{{\text{E}}}}\) which define their equal values at \(T = 0\). However at \(T > 0\) the spatial part is growing with T while the temporal part is destroyed by the hadronic pressure at \(T = {{T}_{{\text{c}}}}\) (the deconfinement). Both properties are derived within the same method and are in a good agreement with the corresponding lattice data.

色-电和色-磁约束
在场相关器方法(FCM)的框架内研究了QCD中约束机制的基本特性--空间和时间弦张力(\({{\sigma }_{{text\{s}}}}(T)\) 和\({{\sigma }_{{text\{E}}}}(T)\))的温度依赖性。结果表明,这两个函数分别与真空胶子能量的空间和时间部分\({\epsilon }_{\text{s}}}}\)和\({\epsilon }_{\text{E}}}}\)相连,它们在\(T = 0\) 时定义了相等的值。然而在 \(T > 0\) 时,空间部分随着 T 的增长而增长,而时间部分则被\(T = {{T}_{{text\{c}}}}\) 时的强子压力所破坏(deconfinement)。这两种性质都是用同一种方法得出的,并且与相应的晶格数据十分吻合。
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来源期刊
Physics of Particles and Nuclei
Physics of Particles and Nuclei 物理-物理:粒子与场物理
CiteScore
1.00
自引率
0.00%
发文量
116
审稿时长
6-12 weeks
期刊介绍: The journal Fizika Elementarnykh Chastits i Atomnogo Yadr of the Joint Institute for Nuclear Research (JINR, Dubna) was founded by Academician N.N. Bogolyubov in August 1969. The Editors-in-chief of the journal were Academician N.N. Bogolyubov (1970–1992) and Academician A.M. Baldin (1992–2001). Its English translation, Physics of Particles and Nuclei, appears simultaneously with the original Russian-language edition. Published by leading physicists from the JINR member states, as well as by scientists from other countries, review articles in this journal examine problems of elementary particle physics, nuclear physics, condensed matter physics, experimental data processing, accelerators and related instrumentation ecology and radiology.
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