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The chiral anomaly, Dirac and Weyl semimetals, and force-free magnetic fields
2017
Canadian journal of physics (Print)
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The chiral anomaly is a purely quantum mechanical phenomenon that has a long history dating back to the late 1960s. Surprisingly, it has recently made a macroscopic appearance in condensed matter physics. A brief introduction to the relevant features of this anomaly is given and it is shown that its appearance in condensed matter systems must involve force-free magnetic fields, which may help explain the long current relaxation times in Dirac and Weyl semimetals.
doi:10.1139/cjp-2016-0522
fatcat:ytdcyva72zasnfj5u2nlttqdiy