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- Academic unit or major
- Graduate major in Physics
- Instructor(s)
- Yamaguchi Masahide
- Class Format
- Lecture
- Media-enhanced courses
- Day/Period(Room No.)
- Fri5-6(H117)
- Group
- -
- Course number
- PHY.F431
- Credits
- 1
- Academic year
- 2017
- Offered quarter
- 1Q
- Syllabus updated
- 2017/3/27
- Lecture notes updated
- -
- Language used
- Japanese
- Access Index
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Course description and aims
After first reviewing the Big Bang theory, the instructor will point out problems with the theory, and explain how inflation resolves those problems. Then the instructor will explain models and dynamics of inflation, the production mechanism of density fluctuations and primordial gravitational waves produced in inflation, and their properties.
The goal is to understand the basics of inflationary cosmology.
Student learning outcomes
[Objectives] This course will cover inflation cosmology, which is a history of the early universe, inflation theory, and students will gain an understanding of the properties of primordial fluctuations generated in that epoch.
[Topics] This course will cover the idea of inflation, the actual model and dynamics, linear perturbation theory for representing fluctuations of the universe, and the production mechanisms for primordial fluctuations.
Keywords
inflation, primordial density fluctuations, primordial gravitational waves
Competencies that will be developed
| ✔ Specialist skills | Intercultural skills | Communication skills | Critical thinking skills | Practical and/or problem-solving skills |
Class flow
Explain basic concepts by use of blackboard.
This course will be held in English in the presence of an IGP student.
Course schedule/Required learning
| Course schedule | Required learning | |
|---|---|---|
| Class 1 | review of Big Bang cosmology | to understand homogeneous and isotropic spacetime |
| Class 2 | difficulties of Big Bang cosmology | to understand difficulties of Big Bang cosmology |
| Class 3 | concepts of inflation | to understand concepts of inflation |
| Class 4 | inflation models | to understand inflation models |
| Class 5 | linear perturbation theory | to understand linear perturbation theory |
| Class 6 | gauge transformation | to understand gauge transformation |
| Class 7 | conservation of curvature perturbations | to understand conservation of curvature perturbations |
| Class 8 | generation of primordial perturbations | to understand quantization |
Textbook(s)
none
Reference books, course materials, etc.
Lyth, Liddle, 「The Primordial Density Perturbation」、Cambridge University Press
Assessment criteria and methods
Report
Related courses
- PHY.F432 ： Astrophysics
- PHY.F353 ： General Relativity
Prerequisites (i.e., required knowledge, skills, courses, etc.)
general relativity
