Long-lived nonlinear oscillatory states in interacting relativistic Bose-Einstein condensates

Leone Di Mauro Villari, Ian Galbraith, Fabio Biancalana

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Abstract

We study a mean-field model for the dynamics of an interacting Bose-Einstein condensate in two-dimensional pseudorelativistic materials. This model is relatively simple but contains long-lived solutions called oscillons which are absent in simple nonrelativistic condensates. We report on a variety of scenarios including interactions between pairs of oscillons and oscillons propagating across an inhomogeneous material boundary. Hitherto, relativistic oscillons have been studied only in high-energy physics and cosmology, and their relevance has not been highlighted so far in condensed-matter physics.

Original languageEnglish
Article number033321
JournalPhysical Review A
Volume102
Issue number3
DOIs
Publication statusPublished - 14 Sep 2020

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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