Journal
ASTROPHYSICAL JOURNAL
Volume 562, Issue 2, Pages L129-L132Publisher
IOP PUBLISHING LTD
DOI: 10.1086/338325
Keywords
conduction; cooling flows; galaxies : clusters : general; magnetic fields
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We estimate the thermal conductivity of a weakly collisional magnetized plasma with chaotic magnetic field fluctuations. When the fluctuation spectrum extends over two or more decades in wavevector, we find that thermal conduction is very efficient; the conduction coefficient is only a factor of similar to5 below the classical Spitzer estimate. We suggest that conduction could play a significant role in cooling flows in clusters of galaxies.
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