Academic Journal
Influencia de la constante cosmológica en el ángulo de deflexión de una lente gravitacional ; Influence of the cosmological constant in the angle of deflection of a gravitational lens
| العنوان: | Influencia de la constante cosmológica en el ángulo de deflexión de una lente gravitacional ; Influence of the cosmological constant in the angle of deflection of a gravitational lens |
|---|---|
| المؤلفون: | Molina Redondo, Ubaldo Enrique, Tovar, Davincy, Steffanell De León, Ingrid |
| بيانات النشر: | Universidad de la Costa CUC |
| سنة النشر: | 2014 |
| المجموعة: | REDICUC - Repositorio Universidad de La Costa |
| مصطلحات موضوعية: | Métrica, Lente gravitacional, Angulo de desviación, Constante cosmológica, Metric, Lens gravitational, Deflection angle, Cosmological constant |
| الوصف: | Se hizo un estudio detallado sobre cómo influye la constante cosmológica en el ángulo de deflexión de una lente gravitacional por galaxia. Para ello se desarrolla una de las soluciones de las ecuaciones de campo de Einstein concerniente a la métrica de Schwarzschild, pero esta vez con constante cosmológica y expresada en coordenadas isotrópicas. Se obtiene el índice de refracción y el potencial simétrico, que son parámetros característicos para el estudio de una lente gravitacional. Con base en esto se obtiene el ángulo de deflexión de una lente gravitacional por galaxia en un universo local con constante cosmológica en cercanías de la lente. ; A detailed study concerning the role of cosmological constant in the angle of deflection by a gravitational lens galaxy was made. This develops one of the solutions of the Einstein field equations concernment to the Schwarzschild metric, but this time with cosmological and expressed in isotropic coordinates constant. The refractive index and symmetrical potential, which are characteristic for the study of gravitational lens parameters, are obtained. Based on this is obtained the deflection angle of a gravitational lensing by galaxy in the local universe with a cosmological constant in the vicinity of the lens. |
| نوع الوثيقة: | article in journal/newspaper |
| وصف الملف: | application/pdf |
| اللغة: | Spanish; Castilian |
| تدمد: | 1909-2458 |
| Relation: | http://hdl.handle.net/11323/1662; Corporación Universidad de la Costa; REDICUC - Repositorio CUC; https://repositorio.cuc.edu.co/ |
| الاتاحة: | http://hdl.handle.net/11323/1662 https://repositorio.cuc.edu.co/ |
| Rights: | info:eu-repo/semantics/openAccess ; http://purl.org/coar/access_right/c_abf2 |
| رقم الانضمام: | edsbas.17622F68 |
| قاعدة البيانات: | BASE |
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