Polarization in HIC: comparison of methods

被引:0
|
作者
Prokhorov, Georgy [1 ]
Teryaev, Oleg [1 ,2 ,3 ]
Zakharov, Valentin [2 ,4 ]
机构
[1] Joint Inst Nucl Res, Dubna 141980, Russia
[2] Inst Theoret & Expt Phys, B Cheremushkinskaya 25, Moscow 117218, Russia
[3] Natl Res Nucl Univ MEPhI, Moscow Engn Phys Inst, Kashirskoe Shosse 31, Moscow 115409, Russia
[4] Far Eastern Fed Univ, Sch Biomed, Vladivostok 690950, Russia
基金
俄罗斯科学基金会;
关键词
SPIN;
D O I
10.1051/epjconf/201920405003
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Based on the Wigner function for an medium with thermal vorticity, an exact non-perturbative formula for axial current was obtained. It is confirmed that the Chiral Vortical Effect results from the Wigner function. It is shown that the angular velocity and acceleration play the role of new chemical potentials, which is expressed in the appearance of combination mu +/- (Omega +/- i vertical bar a vertical bar)/2. It is shown that acceleration enters in the form of imaginary chemical potential and the consequences of this fact are investigated. An expression for the boundary temperature for a medium of fermions, which simultaneously has acceleration and rotation, is derived. This temperature in the particular case coincides with the temperature of Unruh.
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页数:6
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