Spatial modulation and topological current in holographic QCD matter
arXiv:1305.4115 · doi:10.1103/PhysRevLett.111.051601
Abstract
We investigate an impact of the axial-vector interaction on spatial modulation of quark matter. A magnetic field coupled with baryon density leads to a topological axial current, so that the effect of the axial-vector interaction is crucially enhanced then. Using the Sakai-Sugimoto model we have found that, contrary to a naive expectation, the spatially modulated phase is less favored for a stronger magnetic field, which is realized by the presence of topological current.
5 pages, 3 figures
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- A magnetic instability of the non-Abelian Sakai-Sugimoto model
- Anomaly inflow on QCD axial domain-walls and vortices
- Spontaneous magnetization under a pseudovector interaction between quarks in high density quark matter
- Baryonic matter and beyond
- Spin polarization in high density quark matter under a strong external magnetic field
- Strongly interacting matter in extreme magnetic fields
- Holographic QCD Matter: Chiral Soliton Lattices in Strong Magnetic Field
- Background field and time dependence effects in holographic models