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International Journal of Theoretical Physics

Dipolar-Induced Formation of Domain in Spin-2 Bose-Einstein Condensates

Qiang Zhao, Hongyan Liu

Published Jan 22, 2019• 1 citation
Publisher
DOI
10.1007/s10773-019-04001-1

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We studied the static and dynamic domain-wall solutions of spinor Bose-Einstein condensates trapped in an optical lattice. The single and double domain-wall solutions are constructed analytically. Our results show that the magnetic field and light-induced dipolar interactions play important roles for both the formation of different domain walls and the adjusting of domain-wall width and velocity. Moreover, these interactions can drive the motion of the domain wall in Bose ferromagnet systems similar to the way the external magnetic field or the spin-polarized current drives it in fermion ferromagnets.