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Oscillon spectroscopy

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arxiv 2303.16072 v1 pith:BTR3A6JC submitted 2023-03-28 hep-th hep-ph

Oscillon spectroscopy

Fabio van Dissel , Oriol Pujolas , Evangelos Sfakianakis This is my paper
classification hep-th hep-ph
keywords oscillonslifetimenodelessnodesoscillonstatescomparableenergy
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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The sine-Gordon model in 3+1 dimensions is known to admit two oscillons of different energy and frequency but comparable lifetime. We show that the oscillon spectrum includes more spherically symmetric ``states''. We identify new high-amplitude oscillons by allowing the field profile to have a number of nodes. For each number of nodes, we find 2 states with a comparable lifetime to the nodeless ones. Oscillons with nodes are, however, unstable to non-spherical perturbations and so their lifetime is significantly reduced. Interestingly, these states are seen to fragment into a collection of nodeless oscillons. The heavy nodeless oscillon is quite remarkable: despite its energy it is stable against fragmentation. Moreover, it has considerably small oscillation frequency, meaning that it can be interpreted as a rather relativistic bound state.

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Cited by 3 Pith papers

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    Relativistic Floquet modes of the oscillon are expressed in elementary functions, and their quantum creation/annihilation operators are shown to satisfy the oscillator algebra at the computed order.

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    Simulations in Einstein-scalar-Gauss-Bonnet gravity show oscillons form with similar properties to standard cases but trigger EFT breakdown for large couplings via high local curvatures.

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    Deformed alpha-attractor T-models with a Gaussian feature near the minimum yield more smaller shorter-lived oscillons during self-resonance preheating, suppressing energy in oscillons and altering the high-frequency g...