DYNAMICAL SYSTEM OF EINSTEIN̉̉S MODIFIED GRAVITY
Einstein’s modified gravity is one of the interesting method to explain the dark energy that dominated our universe today. Some models have proposed to explain that energy. One of approach for the construction of dark energy is modify the <br /> <br /> <br /> right-hand side...
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id-itb.:213692017-09-27T14:41:06ZDYNAMICAL SYSTEM OF EINSTEINÃâÃâS MODIFIED GRAVITY SUTIONO (NIM: 20214055), AZWAR Indonesia Theses INSTITUT TEKNOLOGI BANDUNG https://digilib.itb.ac.id/gdl/view/21369 Einstein’s modified gravity is one of the interesting method to explain the dark energy that dominated our universe today. Some models have proposed to explain that energy. One of approach for the construction of dark energy is modify the <br /> <br /> <br /> right-hand side of Einstein equations called modified gravity. In this research, we study the dynamical system of two models. First, We analyzed scalar-tensor model and show that the attractor solution just can be found for Q2 << 1. Second, we investigated Gauss-bonnet model with add vector field in the action function and show the influence of the vector field to the density parameters of the model. Parameter (formula) that contributed by vector field give change to the evolution of denstity parameters. Both of models can represent the condition of present universe which dominated by dark energy. text |
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Indonesia Indonesia |
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Einstein’s modified gravity is one of the interesting method to explain the dark energy that dominated our universe today. Some models have proposed to explain that energy. One of approach for the construction of dark energy is modify the <br />
<br />
<br />
right-hand side of Einstein equations called modified gravity. In this research, we study the dynamical system of two models. First, We analyzed scalar-tensor model and show that the attractor solution just can be found for Q2 << 1. Second, we investigated Gauss-bonnet model with add vector field in the action function and show the influence of the vector field to the density parameters of the model. Parameter (formula) that contributed by vector field give change to the evolution of denstity parameters. Both of models can represent the condition of present universe which dominated by dark energy. |
| format |
Theses |
| author |
SUTIONO (NIM: 20214055), AZWAR |
| spellingShingle |
SUTIONO (NIM: 20214055), AZWAR DYNAMICAL SYSTEM OF EINSTEIN̉̉S MODIFIED GRAVITY |
| author_facet |
SUTIONO (NIM: 20214055), AZWAR |
| author_sort |
SUTIONO (NIM: 20214055), AZWAR |
| title |
DYNAMICAL SYSTEM OF EINSTEIN̉̉S MODIFIED GRAVITY |
| title_short |
DYNAMICAL SYSTEM OF EINSTEIN̉̉S MODIFIED GRAVITY |
| title_full |
DYNAMICAL SYSTEM OF EINSTEIN̉̉S MODIFIED GRAVITY |
| title_fullStr |
DYNAMICAL SYSTEM OF EINSTEIN̉̉S MODIFIED GRAVITY |
| title_full_unstemmed |
DYNAMICAL SYSTEM OF EINSTEIN̉̉S MODIFIED GRAVITY |
| title_sort |
dynamical system of einsteinãâãâs modified gravity |
| url |
https://digilib.itb.ac.id/gdl/view/21369 |
| _version_ |
1821120441440272384 |