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Inflatonic Solitons In Running Mass Inflation
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The inflaton condensate associated with a global symmetry can fragment into quasistable Q balls, provided the inflaton oscillations give rise to an effective equation of state with negative pressure. We study chaotic inflation with a running inflaton mass and show that, depending on the sign of the radiative mass correction, the process of fragmentation into inflatonic Q balls can actually take place even though no net charge exists. If the main decay channel of the Q ball is to fermions, the universe will be reheated slowly via surface evaporation.
Forward citations
Cited by 2 Pith papers
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Q-balls Under Spontaneously Broken U(1) Symmetry
Q-balls under spontaneously broken U(1) can leak charge through the Nambu-Goldstone channel and end as smaller Q-balls, oscillons, or decaying configurations, with stable remnants for small symmetry-breaking scales.
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Non-topological solitons and quasi-solitons
A comprehensive review of non-topological solitons (Q-balls) and quasi-solitons (oscillons), their properties, dynamics, and roles in early-universe physics.
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