Interaction ramps in a trapped Bose condensate
F. E. Zimmer, Masudul Haque
TL;DR
This paper investigates how non-adiabatic interaction ramps affect trapped Bose-Einstein condensates, revealing that the residual energy depends strongly on the ramp protocol and can be understood through a simplified effective model.
Contribution
It introduces a single-parameter effective description to explain the dependence of residual energy on ramp protocols in Bose condensates.
Findings
Residual energy depends sensitively on ramp protocol
Effective model captures condensate size dynamics
Non-adiabatic effects can be characterized by heating
Abstract
Non-adiabatic interaction ramps are considered for trapped Bose-Einstein condensates. The deviation from adiabaticity is characterized through the heating or residual energy produced during the ramp. We find that the dependence of the heat on the ramp time is very sensitive to the ramp protocol. We explain features of this dependence through a single-parameter effective description based on the dynamics of the condensate size.
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