The Ferroelectric Point Contact
arXiv:2105.14791 · doi:10.1103/PhysRevLett.128.047601
Abstract
We formulate a scattering theory of polarization and heat transport through a ballistic ferroelectric point contact. We predict a polarization current under either an electric field or a temperature difference that depends strongly on the direction of the ferroelectric order and can be detected by its magnetic stray field and associated thermovoltage and Peltier effect.