Constrained instantons in scalar field theories
Abstract Instantons, localised saddle points of the action, play an important role in describing non-perturbative aspects of quantum field theories, for example vacuum decay or violation of conservation laws associated with anomalous symmetries. However, there are theories in which no saddle point e...
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| Main Authors: | , , |
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| Format: | Artigo |
| Language: | Inglês |
| Published: |
SpringerOpen
2026-04-01
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| Series: | Journal of High Energy Physics |
| Subjects: | |
| Online Access: | https://doi.org/10.1007/JHEP04(2026)017 |
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