Two types of ground-state bright solitons in a coupled harmonically trapped pseudo-spin polarization Bose–Einstein condensate<xref rid="cpb_27_1_016702fn1" ref-type="fn">*</xref> <fn id="cpb_27_1_016702fn1"> <label>*</label> <p>Project supported by the National Natural Science Foundation of China (Grant Nos. 11304270 and 11475144).</p> </fn>

Two types of ground-state bright solitons in a coupled harmonically trapped pseudo-spin polarization Bose–Einstein condensate* *

Project supported by the National Natural Science Foundation of China (Grant Nos. 11304270 and 11475144).

Xu T F^†

(color online) The fundamental properties of bright–bright solitons versus the main parameters of the SOC-BEC system. Panels (a)–(c) show these properties in relation with the interaction strength g, the SOC γ, and the frequency Ω² of the harmonic-oscillator trap, respectively. Distance represents the half of the two bright solitons, height is the amplitude of any one bright soliton, node denotes the number nodes of bright solitons, and width is the width of bright solitons. The other parameters of panel (a) are γ = 1.0, Ω² = 0.02, panel (b) are g = 1.0, Ω² = 0.02, and panel (c) are γ = 1.0, g = 1.0. The detuning constant is δ = 0 for all the cases.