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This Week at Physics

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Event Number 2239

  Thursday, September 15th, 2011

Astronomy Colloquium
Reconnection Diffusion: Changing the Star Formation Paradigm
Time: 3:30 pm
Place: 4421 Sterling Hall
Speaker: Professor Alexander Lazarian
Abstract: For decades the idea that star formation is regulated by ambipolar diffusion dominated theories of star formation. Recent observational data shows that the traditional textbook paradigm has serious problems. At the same time recent progress in understanding th magnetic reconnection in realistically turbulent environments provides a different scenario of star formation, which is based on a new concept termed reconnection diffusion. I shall discuss the idea of fast reconnection in turbulent media, which is the basis of reconnection diffusion, problems with explaining the existing observational data and the theoretical predictions that the reconnection diffusion entails.
Host: Astronomy Department
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