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Primary thermalisation mechanism of Early Universe observed from Faraday-wave scattering on liquid-liquid interfaces
Vitor S. Barroso, August Geelmuyden, Zack Fifer +4
For the past two hundred years, parametric instabilities have been studied in various physical systems, such as fluids, mechanical devices and even inflationary cosmology. It was n…
Mass Renormalization in Lattice Simulations of False Vacuum Decay
Jonathan Braden, Matthew C. Johnson, Hiranya V. Peiris +2
False vacuum decay, a quantum mechanical first-order phase transition in scalar field theories, is an important phenomenon in early universe cosmology. Recently, real-time semi-cla…
Wave focusing by submerged islands and gravitational analogues
Theo Torres, Max Lloyd, Sam R. Dolan +1
We study water waves propagating over a smooth obstacle in a fluid of varying depth, motivated by the observation that submerged islands in the ocean act as effective lenses that i…