Interaction potentials and ultracold scattering cross sections for the $^7$Li$^+$-$^7$Li ion-atom system
Phys. Rev. A 101, 052702 (2020) We calculate the isotope independent Li$^+$-Li potential energy curves for the electronic ground and first excited states. Scattering phase shifts and total scattering cross section for the $^7$Li$^+$-$^7$Li collision are calculated with emphasis on the ultra-low ener...
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| creator | Pandey, A Niranjan, M Joshi, N Rangwala, S. A Vexiau, R Dulieu, O |
| description | Phys. Rev. A 101, 052702 (2020) We calculate the isotope independent Li$^+$-Li potential energy curves for
the electronic ground and first excited states. Scattering phase shifts and
total scattering cross section for the $^7$Li$^+$-$^7$Li collision are
calculated with emphasis on the ultra-low energy domain down to the $s$-wave
regime. The effect of physically motivated alterations on the calculated
potential energy curves is used to determine the bound of accuracy of the
low-energy scattering parameters for the ion-atom system. It is found that the
scattering length for the A$^2\Sigma_u^+$ state, $a_u$ = 1325 a$_0$, is
positive and has well-constrained bounds. For the X$^2\Sigma_g^+$ state, the
scattering length, $a_g$ = 20465 a$_0$ has a large magnitude as it is sensitive
to the restrained change of the potential, due to the presence of a vibrational
state in the vicinity of the dissociation limit. |
| doi_str_mv | 10.48550/arxiv.2005.09102 |
| format | Article |
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the electronic ground and first excited states. Scattering phase shifts and
total scattering cross section for the $^7$Li$^+$-$^7$Li collision are
calculated with emphasis on the ultra-low energy domain down to the $s$-wave
regime. The effect of physically motivated alterations on the calculated
potential energy curves is used to determine the bound of accuracy of the
low-energy scattering parameters for the ion-atom system. It is found that the
scattering length for the A$^2\Sigma_u^+$ state, $a_u$ = 1325 a$_0$, is
positive and has well-constrained bounds. For the X$^2\Sigma_g^+$ state, the
scattering length, $a_g$ = 20465 a$_0$ has a large magnitude as it is sensitive
to the restrained change of the potential, due to the presence of a vibrational
state in the vicinity of the dissociation limit.</description><identifier>DOI: 10.48550/arxiv.2005.09102</identifier><language>eng</language><subject>Physics - Atomic Physics</subject><creationdate>2020-05</creationdate><rights>http://arxiv.org/licenses/nonexclusive-distrib/1.0</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>228,230,780,885</link.rule.ids><linktorsrc>$$Uhttps://arxiv.org/abs/2005.09102$$EView_record_in_Cornell_University$$FView_record_in_$$GCornell_University$$Hfree_for_read</linktorsrc><backlink>$$Uhttps://doi.org/10.48550/arXiv.2005.09102$$DView paper in arXiv$$Hfree_for_read</backlink><backlink>$$Uhttps://doi.org/10.1103/PhysRevA.101.052702$$DView published paper (Access to full text may be restricted)$$Hfree_for_read</backlink></links><search><creatorcontrib>Pandey, A</creatorcontrib><creatorcontrib>Niranjan, M</creatorcontrib><creatorcontrib>Joshi, N</creatorcontrib><creatorcontrib>Rangwala, S. A</creatorcontrib><creatorcontrib>Vexiau, R</creatorcontrib><creatorcontrib>Dulieu, O</creatorcontrib><title>Interaction potentials and ultracold scattering cross sections for the $^7$Li$^+$-$^7$Li ion-atom system</title><description>Phys. Rev. A 101, 052702 (2020) We calculate the isotope independent Li$^+$-Li potential energy curves for
the electronic ground and first excited states. Scattering phase shifts and
total scattering cross section for the $^7$Li$^+$-$^7$Li collision are
calculated with emphasis on the ultra-low energy domain down to the $s$-wave
regime. The effect of physically motivated alterations on the calculated
potential energy curves is used to determine the bound of accuracy of the
low-energy scattering parameters for the ion-atom system. It is found that the
scattering length for the A$^2\Sigma_u^+$ state, $a_u$ = 1325 a$_0$, is
positive and has well-constrained bounds. For the X$^2\Sigma_g^+$ state, the
scattering length, $a_g$ = 20465 a$_0$ has a large magnitude as it is sensitive
to the restrained change of the potential, due to the presence of a vibrational
state in the vicinity of the dissociation limit.</description><subject>Physics - Atomic Physics</subject><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><sourceid>GOX</sourceid><recordid>eNqFjr0KwjAUhbM4iPoATt4hm7Sm1aLOoig4OjeENrWBNim5V7Fvb6zuTufA-eFjbJ6IeLPLMrFS_mWecSpEFot9ItIxqy-WtFcFGWehc6QtGdUgKFvCo6GQuKYELBSFmrF3KLxDBNTDAqFyHqjWwPMtvxqeL3n0tRDiSJFrAXsk3U7ZqArHevbTCVucjrfDORqYZOdNq3wvP2xyYFv_b7wBahZELg</recordid><startdate>20200518</startdate><enddate>20200518</enddate><creator>Pandey, A</creator><creator>Niranjan, M</creator><creator>Joshi, N</creator><creator>Rangwala, S. A</creator><creator>Vexiau, R</creator><creator>Dulieu, O</creator><scope>GOX</scope></search><sort><creationdate>20200518</creationdate><title>Interaction potentials and ultracold scattering cross sections for the $^7$Li$^+$-$^7$Li ion-atom system</title><author>Pandey, A ; Niranjan, M ; Joshi, N ; Rangwala, S. A ; Vexiau, R ; Dulieu, O</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-arxiv_primary_2005_091023</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Physics - Atomic Physics</topic><toplevel>online_resources</toplevel><creatorcontrib>Pandey, A</creatorcontrib><creatorcontrib>Niranjan, M</creatorcontrib><creatorcontrib>Joshi, N</creatorcontrib><creatorcontrib>Rangwala, S. A</creatorcontrib><creatorcontrib>Vexiau, R</creatorcontrib><creatorcontrib>Dulieu, O</creatorcontrib><collection>arXiv.org</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Pandey, A</au><au>Niranjan, M</au><au>Joshi, N</au><au>Rangwala, S. A</au><au>Vexiau, R</au><au>Dulieu, O</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Interaction potentials and ultracold scattering cross sections for the $^7$Li$^+$-$^7$Li ion-atom system</atitle><date>2020-05-18</date><risdate>2020</risdate><abstract>Phys. Rev. A 101, 052702 (2020) We calculate the isotope independent Li$^+$-Li potential energy curves for
the electronic ground and first excited states. Scattering phase shifts and
total scattering cross section for the $^7$Li$^+$-$^7$Li collision are
calculated with emphasis on the ultra-low energy domain down to the $s$-wave
regime. The effect of physically motivated alterations on the calculated
potential energy curves is used to determine the bound of accuracy of the
low-energy scattering parameters for the ion-atom system. It is found that the
scattering length for the A$^2\Sigma_u^+$ state, $a_u$ = 1325 a$_0$, is
positive and has well-constrained bounds. For the X$^2\Sigma_g^+$ state, the
scattering length, $a_g$ = 20465 a$_0$ has a large magnitude as it is sensitive
to the restrained change of the potential, due to the presence of a vibrational
state in the vicinity of the dissociation limit.</abstract><doi>10.48550/arxiv.2005.09102</doi><oa>free_for_read</oa></addata></record> |
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| title | Interaction potentials and ultracold scattering cross sections for the $^7$Li$^+$-$^7$Li ion-atom system |
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