頁籤選單縮合
題 名 | Trans-Planckian Effect on Power Spectrum of Inflation with Conformal Coupling to Gravity=超普朗克物理對具保角重力耦合之暴脹中擾動頻譜的效應 |
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作 者 | 黃鐘禎; | 書刊名 | 遠東學報 |
卷 期 | 28:4 2011.12[民100.12] |
頁 次 | 頁429-438 |
分類號 | 331.4 |
關鍵詞 | 保角耦合; 暴脹; 薛丁格描述法; 超普朗克物理; Conformal coupling; Inflation; Schrödinger picture; Trans-Planckian physics; |
語 文 | 英文(English) |
中文摘要 | 在格子薛丁格描述法中,本文探討暴脹宇宙論中非線性色散關係對擾動頻譜所產生的效應。有關超普朗克物理中的非線性色散關係,我們特別針對帶有正的四次或六次修正項之Corley-Jacobson色散關係進行研究。對於德西特空間中無質量保角耦合的純量場,經由波函數在臨界保角時間點的相配條件,我們發現有關暴脹子的初始擾動頻譜之預測是不易受超普朗克物理中非線性色散關係的影響。 |
英文摘要 | The paper investigates the effect of nonlinear dispersion relations on the power spectrum of primordial inflaton perturbations in inflationary cosmology in the lattice Schrödinger picture. Among the nonlinear dispersion relations used in the literature on trans-Planckian physics, the particular case of Corley-Jacobson type dispersion relations with positive quartic or sextic correction to the standard squared linear relation is studied. For the massless conformally coupled scalar field in de Sitter space, we find through the matching conditions of wave functionals at some critical conformal time that the prediction of power spectrum of primordial inflaton perturbations is insensitive to nonlinear dispersion relations in trans-Planckian regime. |
本系統中英文摘要資訊取自各篇刊載內容。