Chinese Physics C > 2004, Vol. 28 > Issue(6): 617-620

On Debye Mass in Hot Dense QED

FANG Jie^,,
HOU De-Fu

Institute of Particle Physics,Huazhong Normal University,Wuhan 430079,China

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Abstract：
Starting from the Schwinger-Dyson equation for the photon propagator in QED, we derive a useful relation between the Debye mass and the thermodynamic pressure. Using this relation, we calculate the two-loop Debye mass from relevant pressures at finite temperature and chemical potential. The result indicates that the two-loop correction decreases the Debye screening mass. We also discuss the magnetic mass in QED plasma.

References

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FANG Jie and HOU De-Fu. On Debye Mass in Hot Dense QED[J]. Chinese Physics C, 2004, 28(6): 617-620.

FANG Jie and HOU De-Fu. On Debye Mass in Hot Dense QED[J]. Chinese Physics C, 2004, 28(6): 617-620. shu

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Received: 2003-09-29
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

On Debye Mass in Hot Dense QED

FANG Jie^,
HOU De-Fu

Corresponding author:FANG Jie,

Institute of Particle Physics,Huazhong Normal University,Wuhan 430079,China

Received Date:2003-09-29
Accepted Date:1900-01-01
Available Online:2004-06-05

Abstract:Starting from the Schwinger-Dyson equation for the photon propagator in QED, we derive a useful relation between the Debye mass and the thermodynamic pressure. Using this relation, we calculate the two-loop Debye mass from relevant pressures at finite temperature and chemical potential. The result indicates that the two-loop correction decreases the Debye screening mass. We also discuss the magnetic mass in QED plasma.