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Hasil Pencarian

Ditemukan 5 dokumen yang sesuai dengan query
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Syaefudin Jaelani
Model point-kopling dengan konstanta kopling bergantung densitas = Point-kopling model density dependent coupling constants
" [ABSTRAK
Kuantisasi Lagrangian model point-coupling bergantung densitas menghasilkan Lagrangian Hartree-Fock yang terdiri atas suku direct dan exchange. Identitas Fierz diaplikasikan pada suku exchange agar bisa disusun bersama dengan suku direct membentuk Lagrangian efektif. Dengan menggunakan persamaan Euler-Lagrange akan didapat persamaan gerak dan massa efektif sistem. Dari Hamiltonian sistem diperoleh energi ikat sistem per nukleon, massa efektif, tekanan dan kompresibilitas. Dari hasil yang diperoleh, kontribusi suku exchange kecil pada massa efektif nukleon materi nuklir simetrik. Namun pada keadaan lain, kontribusi yang signi kan terlihat pada energi ... "
2015
T43226
UI - Tesis Membership  Universitas Indonesia Library
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Fima Ardianto Putra
Pencarian kompaktifikasi dS4 x S^2 menggunakan lagrangian medan skalar dengan suku kinetik power law = Finding dS4 x S2 compactification using lagrangian of the scalar field with power law kinetic term
" Kompaktifikasi dimensi ekstra 5D dengan suku kinetik hukum pangkat (power law), telah berhasil menggulung satu dimensi ekstra, serta memperoleh informasi radius dan kestabilannya. Namun dari kajian tersebut didapatkan kompaktifikasi yang bersifat anti-de sitter (Ads) pada empat dimensi. Hal yan menunjukkan bahwa lagrangian yang dipilih belum sesuai dengan lagrangian alam semesta tempat kita berada yang mengharuskan bersifat de sitter (dS). ......The 5D extra dimension compatibility with the power law kinetic terms, has succeeded in rolling an extra ... "
Depok: Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Indonesia, 2016
T46304
UI - Tesis Membership  Universitas Indonesia Library
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Glowinski, Roland
Augmented Lagrangian and operator-splitting methods in nonlinear mechanics
" A need for a deeper understanding of the convergence properties of augmented Lagrangian algorithms and of their relationship to operator-splitting methods such as alternating-methods direction and the development of more efficient algorithms prompted the authors to write this book. The volume is oriented to applications in continuum mechanics. This volume deals with the numerical simulation of the behavior of continuous media by augmented Lagrangian and operator-splitting methods (coupled to finite-element approximations). It begins with a ... "
Philadelphia : Society for Industrial and Applied Mathematics, 1989
e20442854
eBooks  Universitas Indonesia Library
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Mazzucchelli, Marco
Critical point theory for lagrangian systems
" This monograph gives a modern account of the application of critical point theory, and more specifically Morse theory, to Lagrangian dynamics, with particular emphasis toward existence and multiplicity of periodic orbits of non-autonomous and time-periodic systems ... "
Basel: Springer, 2012
e20420329
eBooks  Universitas Indonesia Library
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Ito, Kazufumi
Lagrange multiplier approach to variational problems and applications
" Lagrange multiplier theory provides a tool for the analysis of a general class of nonlinear variational problems and is the basis for developing efficient and powerful iterative methods for solving these problems. This comprehensive monograph analyzes Lagrange multiplier theory and shows its impact on the development of numerical algorithms for problems posed in a function space setting. The book is motivated by the idea that a full treatment of a variational problem in function spaces ... "
Philadelphia: Society for Industrial and Applied Mathematics, 2008
e20450687
eBooks  Universitas Indonesia Library