Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2010-07-12
JHEP 1010:005,2010
Physics
High Energy Physics
High Energy Physics - Theory
24 pages, 15 figures
Scientific paper
10.1007/JHEP10(2010)005
We study the ground state of baryonic/axial matter at zero temperature chiral-symmetry broken phase under a large magnetic field, in the framework of holographic QCD by Sakai-Sugimoto. Our study is motivated by a recent proposal of chiral magnetic spiral phase that has been argued to be favored against previously studied phase of homogeneous distribution of axial/baryonic currents in terms of meson super-currents dictated by triangle anomalies in QCD. Our results provide an existence proof of chiral magnetic spiral in strong coupling regime via holography, at least for large axial chemical potentials, whereas we don't find the phenomenon in the case of purely baryonic chemical potential.
Kim Keun-Young
Sahoo Bindusar
Yee Ho-Ung
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