Coherence Length Calculation for the Outcoupled Beam of Atom Laser
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| Format: | Artículo científico |
| Language: | en |
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Sociedade Brasileira de Física
2007
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| _version_ | 1866815545351864320 |
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| author | Abdul-Basit A. Sale |
| author_facet | Abdul-Basit A. Sale |
| contents | Coherence Length Calculation for the Outcoupled Beam of Atom Laser Abdul-Basit A. Sale Noori H. N. Al-Hashmiy Física, Astronomía y Matemáticas Trapping Atom lasers Boson systems Optical cooling of atoms We use the theory of coupled Gross-Pitaevskii equations to derive an expression for the current density ofthe propagating atoms coupled out of the condensate under the influence of gravity. By describing the propagationvector of the atoms and using a theoretical definition of the coherence length, we calculate the coherencelengths of 37K, 141Ce, and 249Fm atom lasers numerically. Our calculation method is verified with the availableexperimental and theoretical data in the literature. The results showed a very good agreement. 2007 artículo científico 0103-9733 https://www.redalyc.org/articulo.oa?id=46437708 en http://www.redalyc.org/revista.oa?id=464 Brazilian Journal of Physics application/pdf Sociedade Brasileira de Física Brazilian Journal of Physics (Brasil) Num.3B Vol.37 |
| format | Artículo científico |
| id | redalyc_46437708 |
| language | en |
| publishDate | 2007 |
| publisher | Sociedade Brasileira de Física |
| spellingShingle | Coherence Length Calculation for the Outcoupled Beam of Atom Laser Abdul-Basit A. Sale Física, Astronomía y Matemáticas Trapping Atom lasers Boson systems Optical cooling of atoms Coherence Length Calculation for the Outcoupled Beam of Atom Laser Abdul-Basit A. Sale Noori H. N. Al-Hashmiy Física, Astronomía y Matemáticas Trapping Atom lasers Boson systems Optical cooling of atoms We use the theory of coupled Gross-Pitaevskii equations to derive an expression for the current density ofthe propagating atoms coupled out of the condensate under the influence of gravity. By describing the propagationvector of the atoms and using a theoretical definition of the coherence length, we calculate the coherencelengths of 37K, 141Ce, and 249Fm atom lasers numerically. Our calculation method is verified with the availableexperimental and theoretical data in the literature. The results showed a very good agreement. 2007 artículo científico 0103-9733 https://www.redalyc.org/articulo.oa?id=46437708 en http://www.redalyc.org/revista.oa?id=464 Brazilian Journal of Physics application/pdf Sociedade Brasileira de Física Brazilian Journal of Physics (Brasil) Num.3B Vol.37 |
| title | Coherence Length Calculation for the Outcoupled Beam of Atom Laser |
| topic | Física, Astronomía y Matemáticas Trapping Atom lasers Boson systems Optical cooling of atoms |
| url | https://www.redalyc.org/articulo.oa?id=46437708 |