Position-dependent Mass Lagrangians: Nonlocal Transformations, Euler-Lagrange Invariance and Exact Solvability
| dc.contributor.advisor | Mustafa, Omar | |
| dc.contributor.author | Abdulrahman, Ibrahim Mustafa | |
| dc.date.accessioned | 2018-04-13T05:54:48Z | |
| dc.date.available | 2018-04-13T05:54:48Z | |
| dc.date.issued | 2016-09 | |
| dc.date.submitted | 2016 | |
| dc.department | Eastern Mediterranean University, Faculty of Arts and Sciences, Dept. of Physics | en_US |
| dc.description | Master of Science in Physics. Thesis (M.S.)--Eastern Mediterranean University, Faculty of Arts and Sciences, Dept. of Physics, 2016. Supervisor: Prof. Dr. Omar Mustafa. | en_US |
| dc.description.abstract | This thesis reviews some features of the PDM Lagrangians. We reach the mapping of the PDM equation into a unit-mass Lagrangian in the generalized coordinates by the insertion of a nonlocal point transformation. The invariance of the PDM Euler-Lagrange equations under specific conditions is proved. We analyze the dynamical equations obeyed by nonlinear oscillator systems with position-dependent mass. Four classes of such examples with PDM-nonlinear oscillators are specified. They include Mathews-Lakshmanan oscillators, a quadratic nonlinear oscillator, a Morse-type oscillator, and a nonlinear deformation of an isotonic oscillator. Attainment among them the mapping of an isotonic nonlinear oscillator into a PDM deformed isotonic oscillator. Keywords: classical position-dependent mass, nonlocal point transformation, Euler-Lagrange equations invariance. | en_US |
| dc.description.abstract | ÖZ : Bu tez, PDM Lagrangian’ların bazı özelliklerini gözden geçirmektedir. PDM denkleminin genelleştirilmiş koordinatlarda bir birim kütle Lagrangian’ı şeklinde eşlenebilmesine, lokal olmayan nokta dönüşümü ile ulaştık. Belirli koşullar atında PDM Euler-Lagrange denklemlerinin değişmezliği kanıtlanmıştır. Biz dinamik denklemleri analiz ederek konuma bağlı kitlelerle birlikte doğrusal olmayan osilatör sistemleri arasındaki uyumuna baktık. PDM doğrusal olmayan osilatörleri dört sınıfta örnekledik. Bunlar, Mathews-Lakshman osilatörleri, kuadratik doğrusal olmayan osilatör, Morse–tipi osilatör ve doğrusal olmayan deformasyonlu izotonik osilatörü içermektedir. Ayrıca, izotonik doğrusal olmayan osilatörün PDM defrome izotonik osilatörüne eşlenmesine de eriştik. Anahtar kelimeler: Klasik pozisyon bağımlı kitle, yerel olmayan nokta dönüşümü, Euler-Lagrange denklemlerinin değişmezliği | en_US |
| dc.identifier.citation | Abdulrahman, Ibrahim Mustafa. (2016). Position-dependent Mass Lagrangians: Nonlocal Transformations, Euler-Lagrange Invariance and Exact Solvability. Thesis (M.S.), Eastern Mediterranean University, Institute of Graduate Studies and Research, Dept. of Physics, Famagusta: North Cyprus. | en_US |
| dc.identifier.uri | https://hdl.handle.net/11129/3602 | |
| dc.language.iso | en | |
| dc.publisher | Eastern Mediterranean University (EMU) - Doğu Akdeniz Üniversitesi (DAÜ) | en_US |
| dc.relation.publicationcategory | Tez | |
| dc.rights | info:eu-repo/semantics/openAccess | en_US |
| dc.subject | Physics Department | en_US |
| dc.subject | Mass | en_US |
| dc.subject | classical position - dependent mass | en_US |
| dc.subject | nonlocal point transformation | en_US |
| dc.subject | Euler - Lagrange equations invariance | en_US |
| dc.title | Position-dependent Mass Lagrangians: Nonlocal Transformations, Euler-Lagrange Invariance and Exact Solvability | en_US |
| dc.type | Master Thesis |
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