国家重点基础研究发展计划(2007CB815401)

作品数:11被引量:14H指数:2
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相关作者:卢建新李明哲张新民董旭策更多>>
相关机构:中国科学技术大学中国科学院中国科学院研究生院南京大学更多>>
相关期刊:《Science China(Physics,Mechanics & Astronomy)》《天文学进展》《Science Bulletin》《物理》更多>>
相关主题:DARK_ENERGYMODELSGRAVITY量子引力暗能量更多>>
相关领域:理学天文地球机械工程一般工业技术更多>>
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Dark energy and fate of the Universe被引量:8
《Science China(Physics,Mechanics & Astronomy)》2012年第7期1330-1334,共5页LI XiaoDong WANG Shuang HUANG QingGuo ZHANG Xin LI Miao 
supported by the Project of Knowledge Innovation Program of Chinese Academy of Sciences;the National Natural Science Foundation of China (Grant Nos. 11105053, 10705041, 10975032, 11175042,10535060, 10975172 and 10821504);the National Ministry of Education of China (Grant Nos. NCET-09-0276 and N100505001);the National Basic Research Program of China (Grant No. 2007CB815401)
We explore the ultimate fate of the Universe by using a divergence-free parametrization for dark energy w(z)=w0+wa, [In(2 + z) / (1 + z) - In 2] . Unlike the Chevallier-Polarski-Linder parametrization, this p...
关键词:dark energy dynamical evolution fate of the Universe 
f(R) gravity and Maxwell equations from the holographic principle被引量:1
《Science China(Physics,Mechanics & Astronomy)》2012年第3期375-380,共6页MIAO RongXin MENG Jun LI Miao 
supported by the National Natural Science Foundation ofChina (Grant Nos. 10535060,A050207,10975172 and 10821504);the National Basic Research Program of China (Grant No. 2007CB815401)
Extending the holographic program of our previous work,we derive f(R) gravity and the Maxwell equations from the holographic principle,using time-like holographic screens.We find that to derive the Einstein equations ...
关键词:entropic gravity f(R) gravity Maxwell equations the holographic principle 
宇宙微波背景辐射检验CPT对称性
《中国科学:物理学、力学、天文学》2011年第12期1389-1395,共7页李明哲 夏俊卿 张新民 
国家自然科学基金(批准号:11075074,11065004,10533010,10675136);高等学校博士学科点专项科研基金(编号:20090091120054);国家重点基础研究发展计划(批准号:2007CB815401)资助项目
电荷共轭-宇称-时间反演(CPT)联合对称性是粒子物理中的一种基本对称性.检验CPT对称性是检验标准模型及发现新物理等基础科学研究的重要途径.本文将介绍利用高精度的宇宙微波背景辐射(CMB)的观测和实验检验CPT对称性的方法,以及最新进展...
关键词:CPT对称性 粒子宇宙学 微波背景辐射(CMB) 
A new entropic force scenario and holographic thermodynamics被引量:2
《Science China(Physics,Mechanics & Astronomy)》2011年第11期1915-1924,共10页GU Wei LI Miao MIAO RongXin 
supported by the National Natural Science Foundation of China (Grant Nos.10535060/A050207,10975172 and 10821504);the National Basic Research Program of China (Grant No.2007CB815401)
We propose a new holographic program of gravity in which we introduce a surface stress tensor.Our proposal differs from Verlinde's in several aspects.First,we use an open or a closed screen.Second,the temperature is n...
关键词:entropic gravity entropy bound the holographic principle 
星系际弥散恒星成分研究进展
《天文学进展》2011年第3期260-276,共17页董旭策 林伟鹏 
国家自然科学基金(10873027;10821302);973计划(2007CB815401);863计划(2006AA01A125)
对于星系际弥散恒星的研究是分别从观测、数值模拟和半解析模型这三个方面进行的。现在已经在邻近星系团及中低红移处观测到弥散恒星,甚至在Virgo及Coma星系团中观测到了单个的弥散恒星。观测数据的积累使得人们能够从统计上了解星系际...
关键词:星系团 弥散恒星 星系形成与演化 
Comparison of halo detection from noisy weak lensing convergence maps with Gaussian smoothing and MRLens treatment
《Research in Astronomy and Astrophysics》2011年第5期507-523,共17页Yang-XiuJiaoj Huan-YuanShan Zu-HuiFan 
supported in part by the National Natural Science Foundation of China (Grant Nos. 10373001,10533010 and 10773001);the National Basic Research Program of China (973 program,No. 2007CB815401);Huan-Yuan Shan is very grateful for the hospitality of CPPM
Taking into account the noise from intrinsic ellipticities of source galaxies, we study the efficiency and completeness of halo detections from weak lensing convergence maps. Particularly, with numerical simulations, ...
关键词:cosmology: theory-gravitation-dark matter-gravitational lensing 
Evidence for special relativity with de Sitter space-time symmetry
《Chinese Physics C》2011年第3期228-232,共5页闫沐霖 
Supported by NSF (10975128);973 Program of China (2007CB815401)
I show the formulation of de Sitter Special Relativity (dS-SR) based on Dirac-Lu-Zou-Guo’s discussions. dS-SR quantum mechanics is formulated, and the dS-SR Dirac equation for hydrogen is suggested. The equation in...
关键词:special relativity de Sitter spece-time symmetry QUASAR varying fine-structure constant 
Comparison of dark energy models:A perspective from the latest observational data
《Chinese Science Bulletin》2010年第32期3741-3741,共1页Miao Li XiaoDong Li Xin Zhang 
supported by the National Natural Science Foundation of China (10705041, 10821504, 10975032 and 10975172);the National Basic Research Program of China (2007CB815401)
黑暗精力的趋势比较当模特儿:从最近的观察数据的一个观点
关键词:观测数据 数据透视 能量模型 中国科学院 物理学家 物理研究所 东北大学 暗能量 
Comparison of dark energy models:A perspective from the latest observational data被引量:7
《Science China(Physics,Mechanics & Astronomy)》2010年第9期1631-1645,共15页LI Miao1,2,LI XiaoDong2,3 & ZHANG Xin1,4 1Kavli Institute for Theoretical Physics China,Chinese Academy of Sciences,Beijing 100190,China 2Key Laboratory of Frontiers in Theoretical Physics,Institute of Theoretical Physics,Chinese Academy of Sciences,Beijing 100190,China 3Interdisciplinary Center for Theoretical Study,University of Science and Technology of China,Hefei 230026,China 4Department of Physics,College of Sciences,Northeastern University,Shenyang 110004,China 
supported by the National Natural Science Foundation of China (Grant Nos 10705041,10821504, 10975032 and 10975172);the National Basic Research Program of China (Grant No 2007CB815401)
We compare some popular dark energy models under the assumption of a flat universe by using the latest observational data including the type Ia supernovae Constitution compilation,the baryon acoustic oscillation measu...
关键词:DARK energy MODELS OBSERVATIONAL constraints model COMPARISON information CRITERIA 
超弦理论及其进展被引量:2
《科学通报》2009年第8期999-1007,共9页卢建新 
国家自然科学基金(批准号:10588503;10535060);国家重点基础研究发展计划(编号:2007CB815401)资助项目
综述了超弦/M理论的意义、重要性及其发展过程中的两次革命以及已经取得的成绩,评述了该领域目前的研究现状和发展趋势,探讨了该理论的研究如何帮助我们认识和理解一个量子引力理论以及包括引力在内的相互作用统一理论所需要满足的要求...
关键词:量子引力 统一理论 超弦/M理论 
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