Adiabatic Compression of Soliton Matter Waves

TL;DR

This paper investigates how adiabatic changes in atomic interactions can compress soliton matter waves in Bose-Einstein condensates, enabling high-density localized states with potential applications.

Contribution

It demonstrates the controlled adiabatic manipulation of soliton properties in BECs, including amplitude, width, and velocity, for both spatial and temporal variations.

Findings

Soliton amplitude, width, and velocity can be tuned via adiabatic changes.

Solitons can be compressed to high densities both with and without trapping potentials.

Adiabatic variation methods are effective for manipulating matter wave solitons.

Abstract

The evolution of atomic solitary waves in Bose-Einstein condensate (BEC) under adiabatic changes of the atomic scattering length is investigated. The variations of amplitude, width, and velocity of soliton are found for both spatial and time adiabatic variations. The possibility to use these variations to compress solitons up to very high local matter densities is shown both in absence and in presence of a parabolic confining potential.