Oscillons in Scalar Field Theories: Applications in Higher Dimensions and Inflation

Abstract

The basic properties of oscillons -- localized, long-lived, time-dependent scalar field configurations -- are briefly reviewed, including recent results demonstrating how their existence depends on the dimensionality of spacetime. Their role on the dynamics of phase transitions is discussed, and it is shown that oscillons may greatly accelerate the decay of metastable vacuum states. This mechanism for vacuum decay -- resonant nucleation -- is then applied to cosmological inflation. A new inflationary model is proposed which terminates with fast bubble nucleation.

arXiv comment11 pages, 4 figures, to appear in Int. J. Mod. Phys. D

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• Emergence of Oscillons in an Expanding Background
• Analytical Characterization of Oscillon Energy and Lifetime
• Transition To Order After Hilltop Inflation
• K-Oscillons: Oscillons with Non-Canonical Kinetic Terms
• Could the primordial radiation be responsible for vanishing of topological defects?
• Long-Lived Time-Dependent Remnants During Cosmological Symmetry Breaking: From Inflation to the Electroweak Scale
• Bubbling the False Vacuum Away
• Scale-Dependent Growth from a Transition in Dark Energy Dynamics
• Numerical investigation of highly excited magnetic monopoles in SU(2) Yang-Mills-Higgs theory
• Impact of other scalar fields on oscillons after hilltop inflation
• Gravitational Waves from Fully General Relativistic Oscillon Preheating
• Cosmic bubble and domain wall instabilities II: Fracturing of colliding walls
• Oscillons and oscillating kinks in the Abelian-Higgs model
• Staccato radiation from the decay of large amplitude oscillons
• Non-topological solitons and quasi-solitons
• Oscillons during Dirac-Born-Infeld Preheating
• Scattering of compact oscillons
• D-Oscillons in the Standard Model-Extension
• Understanding oscillons: standing waves in a ball
• Symmetric solitonic excitations of the (1+1)-dimensional Abelian-Higgs "classical vacuum"
• Excited oscillons: cascading levels and higher multipoles
• Kink-antikink scattering-induced breathing bound states and oscillons in a parametrized ${\varphi }^4$ model
• Revisiting oscillon formation in KKLT scenario
• On decay of shock-like waves into compact oscillons
• Emergence of oscillons in kink-impurity interactions
• Supersymmetry and Fermionic Modes in an Oscillon Background
• Boson stars and oscillatons in an inflationary universe