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SIMULATION FOR 3D INFLATION FLUCTUATION AND POWER SPECTRUM ANALYSIS FOR EARLY UNIVERSE MODEL

원문정보

초록

영어

About 50 years ago, authority of physics academy concluded that Big bang theory is right by the discovery of Cosmic Microwave Background radiation (CMB). But soon, people found serious problem in the Big bang theory so conception called ‘Inflation’ invited, which implies that there was great expansion of space after Big bang between 10-30 s and 10-33 s ~ 10-32 s. At that time, inflaton that caused inflation included asymmetry throughout space. After the inflation, the energy that inflaton had was released as the form of a matter. So, asymmetric inflaton also derived asymmetry of matter. Because of this asymmetry, large scale structure and CMB became to have these days’ shape. In this research, we are going to set simple model of inflaton that contains asymmetry and compare with these day’s CMB by using laplace series. Finally, we could get a result that resemble our universe’s CMB power spectrum.

목차

ABSTRACT
 1. INTRODUCTION
  1.1.Motivation
  1.2.Horizon Problem
  1.3. Flatness Problem
  1.4. Inflation
  1.5. phi-fourth model with expanding background
 2. RESEARCH METHODS
  2.1. Algorithm
  2.2. Simulation Conditions
  2.3. Power Spectrum Analysis
 3. RESULTS
  3.1. Time pass and Bubble formation
  3.2. Simulation results
 4. CONCLUSION
 5. REFERENCES

저자정보

  • Hoon Kim Korea Science Academy of KAIST, Busan 614-822, Republic of Korea
  • Cheol Jun Park Korea Science Academy of KAIST, Busan 614-822, Republic of Korea
  • Tae Gyeong Lee Korea Science Academy of KAIST, Busan 614-822, Republic of Korea
  • Hyeon Gyu Lee Korea Science Academy of KAIST, Busan 614-822, Republic of Korea
  • Hyeon Byeok Kim Korea Science Academy of KAIST, Busan 614-822, Republic of Korea

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