For example , the symmetry of spatial inversion is broken when ferroelectrics develop their electric dipole moment , and time reversal is broken when ferromagnets become magnetic .
The formation of a ferroic order is always associated with the breaking of a symmetry .
The symmetry of spatial inversion is broken when ferroelectrics develop their electric dipole moment , and time reversal is broken when ferromagnets become magnetic .
The formation of a ferroic order is always associated with the breaking of a symmetry .