Instantons and sphalerons in a magnetic field - INSPIRE

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Instantons and sphalerons in a magnetic field

Gökce Basar
(
- SUNY, Stony Brook
)
,
Gerald V. Dunne
(
- Connecticut U.
)
,
Dmitri E. Kharzeev
(
- SUNY, Stony Brook and
- Brookhaven
)

2013

Part of Proceedings, 23rd International Conference on Ultrarelativistic Nucleus-Nucleus Collisions : Quark Matter 2012 (QM 2012) : Washington, DC, USA, August 13-18, 2012, 988c-991c

Published in:

Nucl.Phys.A 904-905 (2013) 988c-991c

Contribution to:

- Quark Matter 2012
, 988c-991c

DOI:

10.1016/j.nuclphysa.2013.02.181

View in:

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Abstract: (Elsevier)

I study the properties of the Euclidean Dirac equation for a light fermion in the presence of both a constant abelian magnetic field and an SU(2) instanton. In particular, I analyze the zero modes analytically in various limits, in order to compare with recent lattice QCD results, and study the implications for the electric dipole moment of the instanton induced by the magnetic field. I also present a holographic computation of the sphaleron rate of a strongly coupled plasma in a the presence of a constant magnetic flux and discuss its physical implications on heavy ion collisions.

plasma: strong coupling
flux: magnetic
heavy ion: scattering
magnetic field
instanton
sphaleron
lattice field theory
electric moment
Dirac equation
holography

References(12)

Figures(0)

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