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COST 271 Action - Effects of the upper atmosphere on terrestrial and Earth-space communications: introduction
upper atmosphere Space through
2015/9/14
The COST 271 Action («Effects of the Upper Atmosphere on Terrestrial and Earth-space Communications
») within the European ionospheric community has the objectives, embodied in the
Memoran...
Direct numerical simulations of helical dynamo action:MHD and beyond
Direct numerical simulations helical dynamo action MHD and beyond
2009/11/11
Magnetohydrodynamic dynamo action is often invoked to explain the existence of magnetic fields in several astronomical objects. In this work, we present direct numerical simulations of MHD helical dyn...
Holographic Gravity and the Surface term in the Einstein-Hilbert Action
Holographic Gravity the Surface term the Einstein-Hilbert Action
2010/10/13
Certain peculiar features of Einstein-Hilbert (EH) action provide clues towards a holographic approach to gravity which is independent of the detailed microstructure of spacetime. These features of th...