Anisotropic Bianchi Type-I Magnetized String Cosmological Models with Decaying Vacuum Energy Density

• 作 者: Anirudh Pradhan
• 机 构: DepartmentofMathematics
• 出 处: 理论物理通讯：英文版
• 发表日期: 2011年5期
• 关键词: 宇宙学模型 能量密度 各向异性 真空 爱因斯坦场方程 哈勃望远镜 衰减 磁化 cosmic strings Bianchi-I universe varia
• 基金项目: Supported in part by the Council of Science and Technoloffy, Uttar Pradesh, India The author would like to thank the Inter-University Centre for Astronomy and Astrophysics （IUCAA）, Pune, India for pro

<正> The present study deals with a spatially homogeneous and anisotropic Bianchi-Ⅰ cosmological modelsrepresenting massive strings with magnetic field and decaying vacuum energy density A.The energy-momentum tensor,as formulated by Letelier(1983),ha