"Charged" phonons in an external field: a QED analog with Bose-Einstein condensates
arXiv:1611.04797 · doi:10.1103/PhysRevA.95.043611
Abstract
We propose a method for using ultracold atomic Bose-Einstein condensates, to form an analog model of a relativistic massive field that carries "charge" and interacts with an external nondynamical gauge field. Such a "scalar QED" analog model, may be useful for simulating various effects of QFT involving charged particles, such as the Schwinger pair-creation of charged phonons in a constant external field, and vacuum instability.
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