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Density distribution of ground state of one-dimensional Bose gas with dipole interaction |
| Shuchang Hao(郝舒畅) and Yajiang Hao(郝亚江)† |
| Department of Physics and Institute of Theoretical Physics, University of Science and Technology Beijing, Beijing 100083, China |
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Abstract Using the Bose-Fermi mapping method, we obtain the exact ground state wavefunction of one-dimensional (1D) Bose gas with the zero-range dipolar interaction in the strongly repulsive contact interaction limit. Its ground state density distributions for both repulsive and attractive dipole interactions are exhibited. It is shown that in the case of the finite dipole interaction the density profiles do not change obviously with the increase of dipole interaction and display the typical shell structure of Tonks-Girardeau gases. As the repulsive dipole interaction is greatly strong, the density decreases at the center of the trap and displays a sunken valley. As the attractive dipole interaction increases, the density displays more oscillations and sharp peaks appear in the strong attraction limit, which mainly originate from the atoms occupying the low single particle levels.
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Received: 21 October 2024
Revised: 16 December 2024
Accepted manuscript online: 31 December 2024
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PACS:
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03.75.Hh
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(Static properties of condensates; thermodynamical, statistical, and structural properties)
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05.30.Jp
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(Boson systems)
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67.85.-d
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(Ultracold gases, trapped gases)
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| Fund: Project supported by the National Natural Science Foundation of China (Grant No. 11174026). |
Corresponding Authors:
Yajiang Hao
E-mail: haoyj@ustb.edu.cn
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Cite this article:
Shuchang Hao(郝舒畅) and Yajiang Hao(郝亚江) Density distribution of ground state of one-dimensional Bose gas with dipole interaction 2025 Chin. Phys. B 34 030301
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