Asymptotic Structure of Hydromagnetically Driven Relativistic Winds
Abstract
A fully relativistic analysis has been performed of the asymptotic structure of stationary axisymmetric hydromagnetic winds. If a flow fills the region containing the rotation axis, then the flux surfaces in the flow must collimate to a set of currentcarrying cylindrical surface extending to infinite transverse radius, collimate to a set of cylindrical surfaces extending to a finite radius, or collimate to a currentfree paraboloidal field configuration which fills up the entire space. If an asymptotically cylindrical flow carries a finite current at radii well beyond the light cylinder, then the Lorentz factor of the terminal flow speed on a given flux surface is proportional to the total current enclosed within this flux surface. If a flow is of type II paraboloidal, then its asymptotic energy flux is carried entirely by the gas motion rather than the electromagnetic fields.
 Publication:

The Astrophysical Journal
 Pub Date:
 August 1991
 DOI:
 10.1086/170375
 Bibcode:
 1991ApJ...377..462C
 Keywords:

 Asymptotic Properties;
 Pulsars;
 Quasars;
 Relativistic Plasmas;
 Stellar Winds;
 Lorentz Force;
 Magnetic Flux;
 Plasma Conductivity;
 Astrophysics;
 HYDROMAGNETICS;
 PLASMAS;
 PULSARS;
 QUASARS;
 STARS: WINDS