Magnetic vacuum polarization effects in the supercritical QED: spontaneous generation of a stable highly magnetized phase of the vacuum state
The spontaneous generation of axial vacuum current and corresponding magnetic field with multipole structure, caused by the supercritical Coulomb source with charge $Z$ and size $R$, is explored in essentially non-perturbative approach with emphasis on the vacuum energy $\cal{E}_{VP}$, considered as...
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Zusammenfassung: | The spontaneous generation of axial vacuum current and corresponding magnetic
field with multipole structure, caused by the supercritical Coulomb source with
charge $Z$ and size $R$, is explored in essentially non-perturbative approach
with emphasis on the vacuum energy $\cal{E}_{VP}$, considered as a function of
$R$ with fixed $Z$. The properties of such highly magnetized vacuum phase are
studied in detail. It is shown that the arising this way magnetic component of
the supercritical vacuum polarization leads to a significant decrease of the
total energy of the system, which could provide the formation of a stable
extra-heavy nuclear cluster. Numerical calculations proving the latter in case
of the specific spherically symmetric Coulomb source with $Z = 828$ are
presented. |
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DOI: | 10.48550/arxiv.2409.14578 |