How Spin Dances with Dipole (IMAGE) Science China Press Caption The two degrees of freedom, electric dipole and spin moment, are independent regarding their origins but can be linked via various couplings in multiferroics. Credit ©Science China Press Usage Restrictions Use with credit. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.