188 citations · 747 across the 28 of their papers we have counts for
5 papers · 1 filter
Simulating seeded vacuum decay in a cold atom system
Thomas P. Billam, Ruth Gregory, Florent Michel +1
We propose to test the concept of seeded vacuum decay in cosmology using an analogue gravity Bose-Einstein condensate system. The role of the nucleation seed is played by a vortex…
Gravitational Effects in g Factor Measurements and High-Precision Spectroscopy: Limits of Einstein's Equivalence Principle
Ulrich D. Jentschura
We study the interplay of general relativity, the equivalence principle, and high-precision experiments involving atomic transitions and g factor measurements. In particular, we de…
Relativistic collapse of axion stars
Florent Michel, Ian G. Moss
We study the gravitational collapse of an axion field in null coordinates, assuming spherical symmetry. Compared with previous studies, we use a simpler numerical scheme which can…
Nonlinearities induced by parametric resonance in effectively 1D atomic Bose condensates
Scott Robertson, Florent Michel, Renaud Parentani
We present a numerical study of the dynamical effects following a sudden change of the transverse trapping frequency in an elongated Bose-Einstein condensate, which induces periodi…
Gravity waves on modulated flows downstream from an obstacle: The transcritical case
Florent Michel, Renaud Parentani, Scott Robertson
Periodic spatial variations of some parameter arise in analogue gravity experiments aimed at detecting the analogue version of the Hawking effect in a white hole flow. Having the s…