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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Metric geometric aspects of Einstein manifolds
Einstein流形 度量几何 爱因斯坦流形 黎曼几何
2023/11/29
This lecture concerns the metric Riemannian geometry of Einstein manifolds, which is a central theme in modern differential geometry and is deeply connected to a large variety of fundamental problems ...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Global stability of the Minkowski spacetime for the Einstein-Vlasov system
爱因斯坦-弗拉索夫系统 闵可夫斯基时空 全球稳定性
2023/4/21
In this talk, we discuss the global stability of the Minkowski spacetime in the wave coordinates system for the massive Einstein-Vlasov system. In particular, compared with previous results by Lindbla...
Stokes-Einstein(SE)关系的失效是液体玻璃化转变过程中的特征动力学行为之一，其背后的物理机制一直是凝聚态和非平衡统计领域近些年的热议话题。研究表明，在液体玻璃化过程中，玻璃转变点附近异常缓慢的动力学行为，以及实验系统中可能的微小晶粒析出相都有可能对体系扩散系数与弛豫时间（或黏滞系数）之间的耦合关系产生影响；这种扩散系数与弛豫时间之间的退耦合现象也可从热力学的角度加以理解，例如在相空...
Astronomers see evidence of Einstein's theories in star orbiting massive black hole（图）
Astronomers evidence Einstein theories star orbiting massive black hole
2019/10/22
More than 100 years ago, Albert Einstein predicted that light is deflected by extremely massive objects, but there is no way to test such powerful effects on Earth. Instead, astronomers turn their att...
A faster way to make Bose-Einstein condensates（图）
faster way make Bose Einstein condensates
2017/12/18
The world of an atom is one of random chaos and heat. At room temperatures, a cloud of atoms is a frenzied mess, with atoms zipping past each other and colliding, constantly changing their direction ...
Scientists ditch approximations,begin modeling universe with Einstein’s full theory of General Relativity
Scientists ditch approximations modeling universe Einstein’s full theory General Relativity
2016/7/4
Research teams on both sides of the Atlantic have shown that precise modeling of the universe and its contents will change the detailed understanding of the evolution of the universe and the growth of...
Why Einstein did not believe that General Relativity geometrizes gravity
General Relativity Einstein Geometrization Unification Inertia Gravity Geodesic Equation Meyerson
2016/6/14
I argue that, contrary to folklore, Einstein never really cared for geometrizing the gravitational or (subsequently) the electromagnetic field; indeed, he thought that the very statement that General ...
Einstein,the reality of space,and the action-reaction principle
Einstein action-reaction spacetime Schlick Mach
2016/6/12
Einstein regarded as one of the triumphs of his 1915 theory of gravity - the general theory of relativity - that it vindicated the action-reaction principle, while Newtonian mechanics as well as his 1...
Proving the Principle:Taking Geodesic Dynamics too Seriously in Einstein's Theory
geodesic principle universality law of motion idealization approximation Einstein general relativity dynamical law phase transitions distributions
2016/5/31
In this paper I critically review the long history of attempts to formulate and derive the geodesic principle, which claims that massive bodies follow geodesic paths in general relativity theory. I ar...
Einstein and Tagore,Newton and Blake,Everett and Bohr:the dual nature of reality
realism idealism quantum
2016/5/31
There are two broad opposing classes of attitudes to reality (realist vs idealist, material vs mental) with corresponding attitudes to knowledge (objective vs subjective, scientific vs romantic). I ar...
At the age of sixteen, Einstein imagined chasing after a beam of light. He later recalled that the thought experiment had played a memorable role in his development of special relativity. Famous as it...
Einstein as the Greatest of the Nineteenth Century Physicists
Einstein relativity quantum atom
2016/5/30
Modern day writers often endow Einstein with a 21st century prescience about physical theory that, it just so happens, is only now vindicated by the latest results of the same writers' research. There...
Albert Einstein read philosophy. It was not an affectation of a celebrity-physicist trying to show his adoring public that he was no mere technician, but a cultured thinker. It was an interest in evid...
Talking at Cross-Purposes. How Einstein and Logical Empiricists never Agreed on what they were Disagreeing about
Moritz Schlick Hans Reichenbach Albert Einstein Hermann Weyl Epistemology of Geometry
2016/5/30
By inserting the dialogue between Einstein, Schlick and Reichenbach in a wider network of debates about the epistemology of geometry, the paper shows, that not only Einstein and Logical Empiricists ca...
LIGO:Einstein Was Right
LIGO Einstein Was Right
2016/2/23
Top row: skeletal muscle without dystrophin. Left to right: skeletal muscle nuclei (blue), skeletal muscle (red), missing dystrophin, overlay of all three images to the left.Bottom row: skeletal muscl...