Gravitational lensing of twisted electromagnetic waves

The recent research in the field of classical and quantum optics has allowed for establishing that an electromagnetic wave possesses not only energy and momentum but also angular momentum. The wave front of an electromagnetic wave having an angular momentumis twisted with respect to the direction of motion. In the present paper, using the model of seven-dimensional space-time developed by the author, the motion of twisted electromagnetic waves in gravitational fields is considered. It is shown that the existence of an angular momentum of an electromagnetic wave leads to smaller values of the gravitational redshift than at zero angular momentum. The motion of electromagnetic waves near a massive object is also considered. It is shown that the gravitational deflection angle of an electromagnetic wave with a nonzero angular momentum is larger than in the case of zero angular momentum. The author believes that this approach will allow for explaining the gravitational lensing using only baryonic matter and also provide a new look at some problems of modern cosmology.