Temporal Chiral Spiral in Strong Magnetic Fields
Tomoya Hayata, Yoshimasa Hidaka, and Arata Yamamoto
TL;DR
This paper explores how strong magnetic and electric fields influence quantum chromodynamics, revealing a temporal oscillation of condensates akin to a chiral spiral, driven by anomaly-protected collective modes.
Contribution
It introduces the concept of a temporal chiral spiral induced by electric fields in strong magnetic backgrounds, highlighting the role of axial anomaly in nondissipative oscillations.
Findings
Electric fields induce oscillations of chiral and pion condensates.
Oscillations are protected by axial anomaly and are nondissipative.
The phenomenon is a temporal analog of the chiral spiral.
Abstract
Vacuum properties of quantum chromodynamics in strong magnetic and finite electric fields are investigated. We show that when a uniform electric field is instantaneously applied in the parallel direction to a strong magnetic field, it induces temporal oscillation of the chiral and pion condensates. This is a temporal analog to the chiral spiral. The oscillation originates with the propagation of the collective mode, which is protected by the axial anomaly and thus nondissipative.
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