English

Holographic QCD and magnetic fields

High Energy Physics - Theory 2021-08-18 v3 High Energy Physics - Phenomenology

Abstract

We review the holographic approach to electromagnetic phenomena in large N QCD. After a brief discussion of existing holographic models, we concentrate on the improved holographic QCD model extended to include magnetically induced phenomena. We explore the influence of magnetic fields on the QCD ground state, focusing on (inverse) magnetic catalysis of chiral condensate, investigate the phase diagram of the theory as a function of magnetic field, temperature and quark chemical potential, and, finally discuss effects of magnetic fields on the quark-anti-quark potential, shear viscosity, speed of sound and magnetization.

Keywords

Cite

@article{arxiv.2104.02839,
  title  = {Holographic QCD and magnetic fields},
  author = {Umut Gursoy},
  journal= {arXiv preprint arXiv:2104.02839},
  year   = {2021}
}

Comments

Contribution to the EPJA topical issue "QCD Phase Diagram in Strong Magnetic Fields", 16 pages, 14 figures. v3: references added, typos corrected

R2 v1 2026-06-24T00:54:27.263Z