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Solitons in the extended hydrodynamic model of the dipolar Bose-Einsteincondensate with quantum fluctuations are considered. This model includes thecontinuity equation for the scalar field of concentration, the Euler equationfor the vector field of velocity, the pressure evolution equation for thesecond rank tensor of pressure, and the evolution equation for the third ranktensor. Large amplitude soliton solution caused by the dipolar part of quantumfluctuations is found. It appears as the bright soliton. Hence, it is the areaof compression of the number of particles. Moreover, it exists for therepulsive short-range interaction.

the european physical journal. d, atomic, molecular and optical physics/the european physical journal. d, atomic, molecular, optical and plasma physics

Novel soliton in dipolar BEC caused by the quantum fluctuations