Chiral Symmetry Breaking and Stability of the Magnetized Vacuum
Shang-Yung Wang
TL;DR
This paper critically examines and refutes recent claims that QED predicts a maximum magnetic field strength of 10^{42} G beyond which the vacuum becomes unstable due to positronium collapse.
Contribution
It provides a rigorous analysis demonstrating that the proposed maximum magnetic field in QED is not supported, clarifying the stability of the magnetized vacuum.
Findings
The claimed maximum magnetic field is not supported by theoretical analysis.
The magnetized vacuum remains stable beyond the proposed limit.
The previous claims of vacuum instability are refuted.
Abstract
The recent claim [arXiv:hep-th/0603070, arXiv:hep-th/0605020] that there exists in QED a maximum magnetic field of 10^{42} G, above which the magnetized vacuum becomes unstable with respect to the so-called "positronium collapse" is critically examined and unequivocally refuted.
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