Back reaction in Einstein universe at finite temperature(Summer Institute 2006)
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概要
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We study the thermal and curvature effect to spontaneous symmetry breaking in φ^4 theory. The effective potential is evaluated in D-dimensional static universe with positive curvature R⨂S^<D-1> or negative curvature R⨂ H^<D-1>. It is shown that temperature and positive curvature suppress the symmetry breaking, while negative curvature enhances it. To consider the back-reaction we numerically solve the gap equation and the Einstein equation simultaneously. The solution gives the relationship between the temperature and the scale factor.
- 素粒子論グループ 素粒子研究編集部の論文
- 2007-02-20
著者
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Hayashi Masako
Department Of Physics Hiroshima University
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Inagaki Tomohiro
Information Media Center Hiroshima University
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Hayashi Masako
Department Of Ophthalmology Osaka Medical Center And Research Institute For Maternal And Child Healt
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Kitadono Yoshio
Department Of Physics Hiroshima University
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Hayashi Masako
Hiroshima Univ. Hiroshima Jpn
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Inagaki Tomohiro
Hiroshima Univ. Hiroshima Jpn
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