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题名: Degrees of freedom of f(T) gravity
作者: Li, M ;  Miao, RX ;  Miao, YG
刊名: JOURNAL OF HIGH ENERGY PHYSICS
出版日期: 2011
期号: 7, 页码:108
学科分类: Physics
通讯作者: Li, M (reprint author), Chinese Acad Sci, Kavli Inst Theoret Phys, Key Lab Frontiers Theoret Phys, Inst Theoret Phys, Beijing 100190, Peoples R China.
部门归属: [Li, Miao] Chinese Acad Sci, Kavli Inst Theoret Phys, Key Lab Frontiers Theoret Phys, Inst Theoret Phys, Beijing 100190, Peoples R China; [Miao, Rong-Xin] Univ Sci & Technol China, Interdisciplinary Ctr Theoret Study, Hefei 230026, Anhui, Peoples R China; [Miao, Yan-Gang] Nankai Univ, Sch Phys, Tianjin 300071, Peoples R China
英文摘要: We investigate the Hamiltonian formulation of f(T) gravity and find that there are five degrees of freedom. The six first class constraints corresponding to the local Lorentz transformation in Teleparallel gravity become second class constraints in f(T) gravity, which leads to the appearance of three extra degrees of freedom and the violation of the local Lorentz invariance in f(T) gravity. In general, there are D-1 extra degrees of freedom for f(T) gravity in D dimensions, and this implies that the extra degrees of freedom correspond to one massive vector field or one massless vector field with one scalar field.
资助者: NSFC [10535060, 10975172, 10821504, 10675061]; Ministry of Science and Technology of China [2007CB815401]
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000293741500044
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/14325
Appears in Collections:理论物理所2011年知识产出_期刊论文

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Recommended Citation:
Li, M,Miao, RX,Miao, YG. Degrees of freedom of f(T) gravity[J]. JOURNAL OF HIGH ENERGY PHYSICS,2011(7):108.
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