One-dimensional tunneling of the two-body bound state
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arXiv
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| Main Authors: | , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866908591179431936 |
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| author | Shypka, N. Hryhorchak, O. Pastukhov, V. |
| author_facet | Shypka, N. Hryhorchak, O. Pastukhov, V. |
| contents | We consider bound and scattering states of the one-dimensional dimer formed by two coupled non-identical atoms when one of them also interacts with the zero-range potential located at the origin. By calculating the dimer localized and scattering wave functions, we identify properties of the system without the two-body bound-state collapse. In general, we predict an enhancement of the dimer reflection compared to a single atom, except for a narrow region on the attractive side of the external potential. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2510_11932 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | One-dimensional tunneling of the two-body bound state Shypka, N. Hryhorchak, O. Pastukhov, V. Quantum Physics We consider bound and scattering states of the one-dimensional dimer formed by two coupled non-identical atoms when one of them also interacts with the zero-range potential located at the origin. By calculating the dimer localized and scattering wave functions, we identify properties of the system without the two-body bound-state collapse. In general, we predict an enhancement of the dimer reflection compared to a single atom, except for a narrow region on the attractive side of the external potential. |
| title | One-dimensional tunneling of the two-body bound state |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2510.11932 |