Wednesday, March 7, 2012

1111.1949 (Adam Bzdak et al.)

Event-by-event fluctuations of magnetic and electric fields in heavy ion
collisions
   [PDF]

Adam Bzdak, Vladimir Skokov
We show that fluctuating proton positions in the colliding nuclei generate, on the event-by-event basis, very strong magnetic and electric fields in the direction both parallel and perpendicular to the reaction plane. The magnitude of E and B fields in each event is of the order of m_pi^2 \approx 10^18 Gauss. Implications on the observation of electric dipole in heavy ion collisions is discussed, and the possibility of measuring the electric conductivity of the hot medium is pointed out.
View original: http://arxiv.org/abs/1111.1949

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