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日冕物质抛射(CME)是灾害性空间天气的主要驱动源，如何针对特定的CME事件, 了解其在日冕和行星际空间的传播特性及演化过程，预测近地空间太阳风状态的变化，是空间天气研究领域的重要内容，同时受到国内外学者的广泛关注，近年来，在CME传播特性的观测和数值模拟研究中取得了大量进展。
IceCube as a discovery observatory for physics beyond the standard model
IceCube as a discovery observatory for physics beyond the standard model
2011/10/14
Construction of the cubic-kilometer neutrino detector IceCube at the South Pole has been completed in December 2010. It forms a lattice of 5160 photomultiplier tubes monitoring a gigaton of the deep A...
Gauging away Physics
Gauging Physics
2011/10/14
We consider the recent argument by Higuchi, Marolf and Morrison [1] that a nonlocal gauge transformation can be used to eliminate the infrared divergence of the graviton propagator, when evaluated in ...
With the launch of the Chandra X-ray Observatory, high resolution X-rayspectroscopy of cosmic sources has begun. Early, deep observations of three stellarcoronal sources桟apella, Pro cyon, and HR 1099梐...