POINCARE GAUGE THEORY WITH COUPLED EVEN AND ODD PARITY DYNAMIC SPIN-0 MODES: DYNAMICAL EQUATIONS FOR ISOTROPIC BIANCHI COSMOLOGIES

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题名:	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
贡献者:	物理學系
关键词:	HAMILTONIAN ANALYSIS;FRIEDMANN EQUATIONS;GRAVITY;TORSION;LAGRANGIANS;UNIVERSE
日期:	2011
上传时间:	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
显示于类别:	[物理學系] 期刊論文

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