Electric charge separation in strong transient magnetic fields
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We discuss various mechanisms for the creation of an asymmetric charge fluctuation with respect to the reaction plane among hadrons emitted in relativistic heavy-ion collisions. We show that such mechanisms exist in both the hadronic gas and the partonic phases of quantum chromodynamics. The mechanisms considered here all require the presence of a strong magnetic field (the "chiral magnetic effect"), but they do not involve parity or charge-parity violations. We analyze how a transient local electric current fluctuation generated by the chiral magnetic effect can dynamically evolve into an asymmetric charge distribution among final-state hadrons in momentum space. We estimate the magnitude of the event-by-event fluctuations of the final-state charge asymmetry owing to partonic and hadronic mechanisms. © 2010 The American Physical Society.
Published Version (Please cite this version)10.1103/PhysRevC.81.064912
Publication InfoAsakawa, M; Majumder, A; & Müller, B (2010). Electric charge separation in strong transient magnetic fields. Physical Review C - Nuclear Physics, 81(6). pp. 64912. 10.1103/PhysRevC.81.064912. Retrieved from https://hdl.handle.net/10161/4262.
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