Oscillating Solitons and AC Josephson Effect in Ferromagnetic Bose-Bose Mixtures Article Swipe
Related Concepts
Physics
Condensed matter physics
Dissipative system
Ferromagnetism
Bose–Einstein condensate
Soliton
Josephson effect
Constant (computer programming)
Spin (aerodynamics)
Quantum mechanics
Quantum electrodynamics
Superconductivity
Nonlinear system
Computer science
Thermodynamics
Programming language
Sebastiano Bresolin
,
Arko Roy
,
G. Ferrari
,
Alessio Recati
,
Nicolas Pavloff
·
YOU?
·
· 2022
· Open Access
·
· DOI: https://doi.org/10.48550/arxiv.2209.11536
· OA: W4297164157
YOU?
·
· 2022
· Open Access
·
· DOI: https://doi.org/10.48550/arxiv.2209.11536
· OA: W4297164157
Close to the demixing transition, the degree of freedom associated to relative density fluctuations of a two-component Bose-Einstein condensate is described by a non-dissipative Landau-Lifshitz equation. In the quasi one-dimensional weakly immiscible case, this mapping surprisingly predicts that a dark-bright soliton should oscillate when subject to a constant force favoring separation of the two components. We propose a realistic experimental implementation of this phenomenon which we interpret as a spin-Josephson effect in the presence of a movable barrier.
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