Not that I am aware of, which is why I believe it to be possible. The question is as given with no further details or information.berkeman said:
A longitudinal magnetic wave is a type of electromagnetic wave that has both electric and magnetic components oscillating in the same direction as the wave propagates. This is in contrast to transverse waves, where the electric and magnetic components are perpendicular to the direction of propagation.
Longitudinal magnetic waves differ from transverse waves in their direction of oscillation. In transverse waves, the electric and magnetic components are perpendicular to the direction of propagation, while in longitudinal magnetic waves, they are in the same direction.
There is currently no evidence to suggest that longitudinal magnetic waves exist. The fundamental equations of electromagnetism, Maxwell's equations, do not support the existence of such waves. However, some theories, such as the Kaluza-Klein theory, propose the existence of extra dimensions that could potentially allow for the existence of longitudinal magnetic waves.
If longitudinal magnetic waves were proven to exist, they could potentially have applications in wireless energy transfer and communication. They could also have implications for understanding the fundamental laws of electromagnetism and the structure of space-time.
There is ongoing research in the field of theoretical physics to explore the existence of longitudinal magnetic waves and their potential implications. Some experiments have also been conducted to try and detect these waves, but so far, no conclusive evidence has been found.