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Effective potential in non-perturbative gauge theories

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arxiv 2211.06957 v2 pith:HM4QEDII submitted 2022-11-13 hep-th hep-ph

classification hep-thhep-ph
keywords gaugedecayfalse-vacuumnon-perturbativescalartheoriesuniverseconsider
verification ladder T0 review T1 audit T2 compute T3 formal
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We consider a formalism to describe the false-vacuum decay of a scalar field in gauge theories in non-perturbative regimes. We find that the larger the gauge coupling with respect to the self-coupling of the scalar, the shallower the local minimum of the unstable vacuum, to the point where it disappears. This offers the possibility to obtain a consistent picture of early universe cosmology: at high temperatures, a false-vacuum decay is strongly favoured and the universe naturally evolves towards a stable state.

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