A comparison of observations and simulations for the extragalactic jet from the AGN in 3C303

Details A comparison of observations and simulations for the extragalactic jet from the AGN in 3C303 A comparison of observations and simulations for the extragalactic jet from the AGN in 3C303

May 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004aps..aprw10009k&link_type=abstract

American Physical Society, April Meeting, 2004, May 1-4, 2004, Denver, Colorado April 2004, MEETING ID: APR04, abstract #W10.009

Physics

Scientific paper

Extragalactic jets are created in accretion disks around supermassive black holes and retain their collimation for distances as far as the order of the megaparsec. Understanding the physical causes of this remarkable, and ill-understood collimation over such large distances is a great challenge. Many authors have attempted to understand the processes in terms of MHD equilibria, based on the analysis on the Grad-Shafranov (GS) equation. Recently, we have proposed a new approach in this direction of investigation [1]. Based on a mathematical analogy between the GS equation and the non-linear Schrodinger equation for solitons, we have proposed a class of solutions that are mathematically similar to optical solitons. In the present work we show the results of a simulation study of the stability of the soliton solutions conducted using the MHD code FLIP. Using the specific example of the jet observed from the active galactic nucleus (AGN) in the radio galaxy 3C303, we investigate the ability of the proposed model to explain the observational evidence. [1] G. Lapenta, Phys. Rev. Lett., 90, 135005, 2003.

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