On Debye Mass in Hot Dense QED

FANG Jie; HOU De-Fu

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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