Astrophysics (index)

Blandford-Znajek Mechanism

(Blandford-Znajek Process)
(extraction of black-hole rotational energy by magnetized accretion disk)

The Blandford-Znajek Mechanism (or Blandford-Znajek Process) is a means by which a magnetized Accretion Disk can extract rotational energy from a spinning Black Hole (BH). The theory was developed in 1977 by Roger Blandford and Roman Znajek. It is a possible mechanism by which Quasars (QSO) are powered.


(physics,black holes)
http://en.wikipedia.org/wiki/Blandford-Znajek_process

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