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Absence of Breakdown of Ferrodark Solitons Exhibiting Snake Instability

Offered By: PCS Institute for Basic Science via YouTube

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Physics Courses Bose-Einstein Condensates Courses

Course Description

Overview

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Explore the dynamical stability and real-time dynamics of ferrodark solitons (FDSs) in quasi-two-dimensional ferromagnetic spin-1 Bose-Einstein condensates. Delve into the characteristics of type-I and type-II FDSs, examining their inertial mass properties and associated instabilities. Analyze the behavior of type-I FDSs, including their positive inertial mass, in-plane spin winding, and elastic oscillations under transverse perturbations. Investigate the unique properties of type-II FDSs, focusing on their negative inertial mass, snake instability, and spin-twist instability. Discover how the snake instability leads to the conversion of type-II FDS segments to type-I and the production of mass vortex dipoles, rather than causing breakdown. Examine the resulting hybridized-chain dynamics and the preservation of the magnetic domain wall's topological structure over extended periods.

Syllabus

Xiaoquan Yu, Absence of breakdown of ferrodark solitons exhibiting snake instability


Taught by

PCS Institute for Basic Science

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