The extended Einstein–Maxwell-aether-axion model: Exact solutions for axionically controlled pp-wave aether modes

摘要: The extended Einstein-Maxwell-aether-axion model describes internal interactions inside the system, which contains gravitational, electromagnetic fields, dynamic unit vector field describing velocity of an aether, and pseudoscalar associated with axionic dark matter. specific feature this is that axion controls dynamics aether through guiding functions incorporated into Jacobson's constitutive tensor. Depending on state these can control switch or off influence acceleration, shear, vorticity expansion flow physical system as a whole. We obtain new exact solutions, possess pp-wave symmetry, indicate them by term modes in contrast to pure pp-waves, not propagate conglomerate. These solutions describe field, corresponds one minima potential, switches shear flow; does impose restrictions coupling constants mass. Properties are discussed.