ESCAPING RADIO-EMISSION FROM PULSARS - POSSIBLE ROLE OF VELOCITY SHEAR

Authors
MAHAJAN SM MACHABELI GZ ROGAVA AD
Citation
Sm. Mahajan et al., ESCAPING RADIO-EMISSION FROM PULSARS - POSSIBLE ROLE OF VELOCITY SHEAR, The Astrophysical journal, 479(2), 1997, pp. 129-132
Citations number
32
Categorie Soggetti
Astronomy & Astrophysics
Journal title
The Astrophysical journal → ACNP
ISSN journal
0004637X
Volume
479
Issue
2
Year of publication
1997
Part
2
Pages
129 - 132
Database
ISI
SICI code
0004-637X(1997)479:2<129:ERFP-P>2.0.ZU;2-T
Abstract
It is demonstrated that the velocity shear, intrinsic to the e(+)e(-) plasma present in the pulsar magnetosphere, can efficiently convert th e nonescaping longitudinal Langmuir waves (produced by some kind of a beam or stream instability) into propagating (escaping) electromagneti c waves. It is suggested that this shear-induced transformation may be the basic mechanism needed for the eventual generation of the observe d pulsar radio emission.