Termination of Beamed Double-Helix Structures Ejected by Gravitational Wave Emitters or Modulated Accretion Processes

The ejection of double-helix beamed plasma structures from time modulated disks has been identified as one of the results of a recently formulated theory [1,2]. In particular, these structures have been shown to emerge from disks in which (GR) gravitational wave emitters such as black hole binaries can be expected to be imbedded. The considered sustaining factor [2] is the time-dependent component of the gravitational potential, characterizing these binaries, but the theory can be extended to involve other sustaining factors such as that of a single black hole with "shepherd planets" or with a modulated form of accretion. The double-helix consists of a pair of "gravitational phonons" as each of these [2] can be represented by a combination of a vertical ballooning structure and a vertically propagating mode whose phase velocity is close to the ion-sound velocity considering plasma disks with electron temperatures significantly higher than the nuclei temperatures. The collimation of the "effective beam", which the propagation of the double helix can represent, is treated as being terminated by a shock structure when the "beam" reaches rarefied plasma regions well away from the disk and it encounters higher plasma density islands.