Unraveling the Formation of Magnetic Switchbacks in the Solar Wind

A new study has developed a theory explaining the formation of magnetic switchbacks in the solar wind. These reversals of the radial magnetic field have been observed by the Parker Solar Probe and are now understood to be caused by spherically polarized Alfvén waves that become distorted and oscillate due to varying wave speeds. The research provides a better understanding of the turbulence in the solar wind and could lead to improved space weather models.