2011
DOI: 10.4081/asd.2011.706
|View full text |Cite
|
Sign up to set email alerts
|

Launching proton-dominated jets from accreting Kerr Black Holes: the case of M87

Abstract: A general relativistic model for the formation and acceleration of low mass-loaded jets from systems containing accreting black holes is presented. The model is based on previous numerical results and theoretical studies in the Newtonian regime, but modified to include the effects of space-time curvature in the vicinity of the event horizon of a spinning black hole.It is argued that the boundary layer between the Keplerian accretion disk and the event horizon is best suited for the formation and acceleration o… Show more

Help me understand this report

Search citation statements

Order By: Relevance

Paper Sections

Select...
3

Citation Types

0
3
0

Year Published

2012
2012
2012
2012

Publication Types

Select...
1

Relationship

0
1

Authors

Journals

citations
Cited by 1 publication
(3 citation statements)
references
References 14 publications
0
3
0
Order By: Relevance
“…However, this rotational frequency is too low to explain the origin of power of highly collimated jets observed in microquasars, high‐redshifted quasars as well as at the centre of active galaxies. These are considered to originate from the vicinity of fast spinning BHs, where direct extraction of rotational energy from the BH via Blandford–Znajek mechanism or from the boundary layer (BL) via dynamo action is considered to be most efficient (see Blandford & Znajek 1977; Brezinski & Hujeirat 2011, and references therein). Consequently, unless SMBECs are born massive, their cosmological growth will normally be associated with an increase of their rotational energy, which would enforce the cores to rotate at a much higher speed than the above estimated value.…”
Section: The Long Way Towards Bh Alternativesmentioning
confidence: 99%
See 2 more Smart Citations
“…However, this rotational frequency is too low to explain the origin of power of highly collimated jets observed in microquasars, high‐redshifted quasars as well as at the centre of active galaxies. These are considered to originate from the vicinity of fast spinning BHs, where direct extraction of rotational energy from the BH via Blandford–Znajek mechanism or from the boundary layer (BL) via dynamo action is considered to be most efficient (see Blandford & Znajek 1977; Brezinski & Hujeirat 2011, and references therein). Consequently, unless SMBECs are born massive, their cosmological growth will normally be associated with an increase of their rotational energy, which would enforce the cores to rotate at a much higher speed than the above estimated value.…”
Section: The Long Way Towards Bh Alternativesmentioning
confidence: 99%
“…5 shows that Γ is highly sensitive to α 0 , indicating therefore that large Γ factors between 10 and 20 may be obtained if the jet velocity is a significant fraction of the escape velocity. Equivalently, the jet plasma must start its outward‐oriented motion either from the very vicinity of the object’s surface or from nearby the event horizon. We note that the formation and acceleration of jet plasmas around accreting relativistic objects is considered to be the outcome of complicated coupling processes between the accretion disc, the central object and the jet plasma, whereby magnetic fields play a crucial role (Hujeirat 2004; Brezinski & Hujeirat 2011). Jets emanating from around surface‐free objects are generally observed to be radio‐dominated and their plasmas propagate with larger Lorentz factors compared to those of neutron stars.…”
Section: The Long Way Towards Bh Alternativesmentioning
confidence: 99%
See 1 more Smart Citation