Color diffusion and conductivity in a quark-gluon plasma
Abstract
Color diffusion is shown to be an important dissipative property of quark-gluon plasmas that rapidly damps collective color modes. We derive the characteristic color relaxation time scale, tc~[3αsTlog(mE/mM)]-1, showing its sensitivity to the ratio of the static color electric and magnetic screening masses. This leads to a surprisingly small color conductivity, σc~2T/log(mE/mM) which in fact vanishes in the semi-classical (one-loop) limit.
- Publication:
-
Physics Letters B
- Pub Date:
- October 1993
- DOI:
- 10.1016/0370-2693(93)90341-E
- arXiv:
- arXiv:nucl-th/9307007
- Bibcode:
- 1993PhLB..316..373S
- Keywords:
-
- Nuclear Theory
- E-Print:
- 11 pages, Columbia University Preprint CU-TP-598