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[Fizinfo] Csillagda szeminariuma


Chronological Thread 
  • From: ilka AT konkoly.hu (Kalman Belane)
  • To: fizinfo AT sunserv.kfki.hu
  • Cc:
  • Subject: [Fizinfo] Csillagda szeminariuma
  • Date: Wed, 15 Dec 2004 13:19:37 +0100 (MET)
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  • List-id: ELFT HÍRADÓ <fizinfo.lists.kfki.hu>


Meghivó

az MTA Konkoly Thege Miklós Csillagászati Kutatóintézete

szemináriumára


Elõadó: A. R. Choudhuri
Indian Institute of Science, Bangalore

Cím: Why do millisecond pulsars have weaker magnetic fields compared to
ordinary pulsars?

Abstract
Recently, we have proposed a model for the screening of the magnetic
field of an accreting neutron star by the accreted material flowing from
the polar regions towards the equator and sinking there underneath the
surface. In this earlier model, it was assumed that the flow pattern
remained stationary over time. However, as the surface magnetic field
weakens, the accretion takes place over a wider region around the pole,
making the flow more radial and isotropic. In the present work, we extend
this two-dimensional model to include the time dependence of the flow of
the accreted material.

A szeminárium idõpontja: 2004. december 22, szerda 14 óra

Helyszine: MTA Konkoly Thege Miklós Csillagászati Kutatóintézete
1121 Budapest Konkoly Thege M. út 13-17.

Patkós László s.k.





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