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A new mechanism of photon emission in the quark-gluon plasma is proposed.Photon dispersion relation in the presence of the $CP$-odd topological regionsgenerated by the chiral anomaly acquires an imaginary mass. It allows photonradiation through the decay $q\to q\gamma$ and annihilation $q\bar q\to \gamma$processes closely related to the chiral Cherenkov radiation. Unlike previousproposals this mechanism does not require an external magnetic field. Thedifferential photon emission rate per unit volume is computed and shown to becomparable to the rate of photon emission in conventional processes.

Photon radiation in hot nuclear matter by means of chiral anomalies