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    請使用永久網址來引用或連結此文件: http://ir.lib.ncu.edu.tw/handle/987654321/52948


    題名: POINCARE GAUGE THEORY WITH COUPLED EVEN AND ODD PARITY DYNAMIC SPIN-0 MODES: DYNAMICAL EQUATIONS FOR ISOTROPIC BIANCHI COSMOLOGIES
    作者: Ho,FH;Nester,JM
    貢獻者: 物理學系
    關鍵詞: HAMILTONIAN ANALYSIS;FRIEDMANN EQUATIONS;GRAVITY;TORSION;LAGRANGIANS;UNIVERSE
    日期: 2011
    上傳時間: 2012-06-11 10:51:13 (UTC+8)
    出版者: 國立中央大學
    摘要: We are investigating the dynamics of a new Poincare gauge theory of gravity model, which has cross coupling between the spin-0(+) and spin-0(-) modes. To this end we here consider a very appropriate situation - homogeneous-isotropic cosmologies - which is relatively simple, and yet all the modes have nontrivial dynamics which reveals physically interesting and possibly observable results. More specifically we consider manifestly isotropic Bianchi class A cosmologies; for this case we find an effective Lagrangian and Hamiltonian for the dynamical system. The Lagrange equations for these models lead to a set of first-order equations that are compatible with those found for the FLRW models and provide a foundation for further investigations. Typical numerical evolution of these equations shows the expected effects of the cross parity coupling.
    關聯: INTERNATIONAL JOURNAL OF MODERN PHYSICS D
    顯示於類別:[物理學系] 期刊論文

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