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5 papers · 2 filters
Bubble Collisions and Defect Formation in a Damping Environment
Antonio Ferrera, Alejandra Melfo
Within the context of a first-order phase transition in the early Universe, we study the collision process for vacuum bubbles expanding in a plasma. The effects of the plasma are s…
Bubble Nucleation in phi^{4} Models at All Temperatures
Antonio Ferrera
One possible way in which phase transitions in the early universe may have ocurred is via nucleation of bubbles of the new phase (true vacuum) in the old phase (false vacuum). The…
Defect Production in Slow First Order Phase Transitions
Julian Borrill, T. W. B. Kibble, Tanmay Vachaspati +1
We study the formation of vortices in a U(1) gauge theory following a first-order transition proceeding by bubble nucleation, in particular the effect of a low velocity of expansio…
SOFFER'S INEQUALITY
Gary R. Goldstein, R. L. Jaffe, Xiangdong Ji
Various issues surrounding a recently proposed inequality among twist-two quark distributions in the nucleon are discussed. We provide a rigorous derivation of the inequality in QC…
Phase equilibration in bubble collisions
T. W. B. Kibble, Alexander Vilenkin
In the context of an Abelian gauge symmetry, spontaneously broken at a first-order transition, we discuss the evolution of the phase difference between the Higgs fields in collidin…