Non-Stationary Measurements of Chiral Magnetic Effect
arXiv:1307.3444 · doi:10.1016/j.aop.2013.09.017
Abstract
We discuss Chiral Magnetic Effect from quantum theory of measurements point of view for non-stationary measurements. The effect of anisotropy for fluctuations of electric currents in magnetic field is addressed. It is shown that anisotropy caused by nonzero axial chemical potential is indistinguishable in this framework from anisotropy caused by finite measurement time or finite lifetime of the magnetic field, and in all cases it is related to abelian triangle anomaly. Possible P-odd effects for central heavy ions collisions (where Chiral Magnetic Effect is absent) are discussed in this context.
LaTeX, 21 pages
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