A Reference for the Gravitational Hamiltonian Boundary Term
文献类型：期刊论文
| 作者 | Sun, Gang1; Chen, Chiang-Mei2,3; Liu, Jian-Liang4; Nester, James M.2,3,5,6 |
| 刊名 | CHINESE JOURNAL OF PHYSICS
 |
| 出版日期 | 2015-11-01 |
| 卷号 | 53期号:6页码:9 |
| ISSN号 | 0577-9073 |
| DOI | 10.6122/CJP.20150819 |
| 英文摘要 | The Hamiltonian for physical systems and dynamic spacetime geometry generates the evolution of a spatial region along a vector field. It includes a boundary term which not only determines the value of the Hamiltonian, but also, via the boundary term in the variation of the Hamiltonian, the boundary conditions. The value of the Hamiltonian comes from its boundary term; it gives the quasi-local quantities: energy-momentum and angular-momentum/center-of-mass momentum. This boundary term depends not only on the dynamical variables but also on their reference values; these reference values determine the ground state the state having vanishing quasi-local quantities. Here our concern is with how to select on the quasi-local two-boundary the reference value. To determine the "best matched" reference metric and connection values for our preferred boundary term for Einstein's general relativity, we propose on the boundary two-surface (i) four dimensional isometric matching, and (ii) extremizing the value of the energy. |
| 资助项目 | Ministry of Science and Technology of the R.O.C.[NSC-101-2112-M-008-006] ; Ministry of Science and Technology of the R.O.C.[NSC 99-2112-M-008-005-MY3] ; Ministry of Science and Technology of the R.O.C.[MOST 102-2112-M-008-015-MY3] ; National Center of Theoretical Sciences (NCTS) |
| WOS研究方向 | Physics |
| 语种 | 英语 |
| WOS记录号 | WOS:000368248900008 |
| 出版者 | PHYSICAL SOC REPUBLIC CHINA |
| 源URL | [http://ir.amss.ac.cn/handle/2S8OKBNM/21759]  |
| 专题 | 中国科学院数学与系统科学研究院 |
| 通讯作者 | Sun, Gang |
| 作者单位 | 1.Beijing Univ Technol, Inst Theoret Phys, Beijing 100124, Peoples R China 2.Natl Cent Univ, Dept Phys, Chungli 320, Taiwan 3.Natl Cent Univ, Ctr Math & Theoret Phys, Chungli 320, Taiwan 4.Chinese Acad Sci, Acad Math & Syst Sci, Morningside Ctr Math, Beijing 100190, Peoples R China 5.Natl Cent Univ, Grad Inst Astron, Chungli 320, Taiwan 6.Natl Taiwan Univ, Leung Ctr Cosmol & Particle Astrophys, Taipei 10617, Taiwan |
| 推荐引用方式 GB/T 7714 | Sun, Gang,Chen, Chiang-Mei,Liu, Jian-Liang,et al. A Reference for the Gravitational Hamiltonian Boundary Term[J]. CHINESE JOURNAL OF PHYSICS,2015,53(6):9. |
| APA | Sun, Gang,Chen, Chiang-Mei,Liu, Jian-Liang,&Nester, James M..(2015).A Reference for the Gravitational Hamiltonian Boundary Term.CHINESE JOURNAL OF PHYSICS,53(6),9. |
| MLA | Sun, Gang,et al."A Reference for the Gravitational Hamiltonian Boundary Term".CHINESE JOURNAL OF PHYSICS 53.6(2015):9. |
入库方式： OAI收割
来源：数学与系统科学研究院
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