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Dispersive hydrodynamics of nonlinear polarization waves in two-component Bose-Einstein condensates
by T. Congy, A. M. Kamchatnov, N. Pavloff
- Published as SciPost Phys. 1, 006 (2016)
|As Contributors:||Thibault Congy · Nicolas Pavloff|
|Arxiv Link:||https://arxiv.org/abs/1607.08760v2 (pdf)|
|Date submitted:||2016-10-11 02:00|
|Submitted by:||Congy, Thibault|
|Submitted to:||SciPost Physics|
|Subject area:||Atomic, Molecular and Optical Physics - Theory|
We study one dimensional mixtures of two-component Bose-Einstein condensates in the limit where the intra-species and inter-species interaction constants are very close. Near the mixing-demixing transition the polarization and the density dynamics decouple. We study the nonlinear polarization waves, show that they obey a universal (i.e., parameter free) dynamical description, identify a new type of algebraic soliton, explicitly write simple wave solutions, and study the Gurevich-Pitaevskii problem in this context.
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Published as SciPost Phys. 1, 006 (2016)
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