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Showing 2025 · hep-thShow all
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hep-th2025
Examples for BPS solitons destabilized by quantum effects
Willem J. Meyer, Herbert Weigel
We investigate serval models for two scalar fields in one space dimension with topologically stable solitons that are constructed from BPS equations. The asymptotic behavior of the…
hep-th2025
Quantum contribution to domain wall tension from spectral methods
N. Graham, H. Weigel
In field theory, domain walls are constructed by embedding localized field configurations varying in one space dimension, such as the kink, in two or three space dimensions.…
hep-th2025★ 1 cited
Quantum energies of solitons with different topological charges
N. Graham, H. Weigel
The vacuum polarization energy is the leading quantum correction to the classical energy of a soliton. We study this energy for two-component solitons in one space dimension as a f…