Abstract
The dielectric constant ε and magnetic permeability μ for gluon plasma are calculated from the one-loop gauge-invariant effective action. The real parts are gauge-fixing independent and agree with earlier work. The imaginary part of μ-1 is zero in any covariant background-field gauge, while the imaginary part of ε is gauge-fixing dependent and negative definite. This result indicates that there is no consistent perturbative description of gluonic plasmons on scale (g2T)-1.
| Original language | English |
|---|---|
| Pages (from-to) | 2397-2399 |
| Number of pages | 3 |
| Journal | Physical Review Letters |
| Volume | 58 |
| Issue number | 23 |
| DOIs | |
| State | Published - 1987 |
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